Question

96:9 :: 72:?
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Answer 1

Answer:

29/4

Step-by-step explanation:

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Answer 2

Answer:

96:9 :: 72:27/4

Step-by-step explanation:

• Proportion is a mathematical comparison between two numbers.
• Proportions are denoted using the symbol  "::" or "=".

• When two or more ratios are equal, they are said to be in proportion.

• If a : b :: c : d, then

    d is  the fourth proportional to a, b, c.

    c is  the third proportional to a and b.

• Comparing 96:9 :: 72:? with a : b :: c : d, we can write a=96, b=9, c=72 and d is unknown.

      now, a : b = c : d

     ⇒ a/b = c/d

     ⇒ 96 / 9 = 72 / d

     ⇒ 96×d = 72×9

     ⇒ d = (72×9 )/96 = 3×9/4 = 27/4