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Are the ratios 25g:30g and 40g:48g in pr...

Are the ratios `25g:30g` and `40g:48g` in proportion

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`25`g:`30`g=`25/30`=`5:6`
`40` kg:`48` kg+`40/48`=`5:6`
so, `25:30 = 40:48.`
so, the ratios `25g:30g` and `48`kg:`48`kg are in proportion
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