write formulas for ratio and application
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Proportion: The equality of two ratios is called proportion. If a : b = c : d, we write a : b :: c : d and we say that a, b, c, d are in proportion.
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Exercise :: Ratio and Proportion - Important Formulas.
Eg. The ratio 5 : 9 represents 5 with antecedent = 5, consequent = 9.
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Answer:
Proportion: The equality of two ratios is called proportion. If a : b = c : d, we write a : b :: c : d and we say that a, b, c, d are in proportion.
...
Exercise :: Ratio and Proportion - Important Formulas.
Eg. The ratio 5 : 9 represents 5 with antecedent = 5, consequent = 9.
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