If 4A = 5B = 6C, what is the ratio A:B:C?

Topic: Ratio and Proportion
Subtopic: Inverse Ratios

A15:12:10

B6:5:4

C4:5:6

D10:12:15

Explanation

Divide by LCM of 4, 5, 6 (which is 60): 4A/60 = 5B/60 = 6C/60 => A/15 = B/12 = C/10. So A:B:C = 15:12:10.

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