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Question
Determine if the following numbers are in proportion:
4, 6, 8, 12
Solution
4, 6, 8, 12
`4/6=(4 ÷ 2)/(6 ÷ 2)=2/3 ;8/12=(8 ÷ 4)/(12 ÷ 4)=2/3`
Hence, 4:9::8:12 are in proportion.
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