Question
If 3A = 4B = 6C; find A: B: C.

Answer

3A = 4B = 6C
$3 A=4 B \Rightarrow \frac{A}{B}=\frac{4}{3}$
This means, A:B=4:3
$4 B=6 C \Rightarrow \frac{B}{C}=\frac{6}{4}=\frac{3}{2}$
=>B:C=3:2
The value of B in 4:3 is equal to the value of B in 3:2
Hence A : B : C = 4 : 3 : 2

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