Find the missing prolortional if the given number are in proportion. 15km:8000cm::___:4200cm .Please explain me again with full explanation and your first answer is wrong.
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Answer:
7.875
Step-by-step explanation:
product of means = product of extremes,
1 mean = product of extremes divided by other mean
= 4200*15 / 8000
= 21*3 / 8 [simplified]
= 63 / 8
= 7.875
[please correct me if wrong]
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