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

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

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

Are the ratios 45 g: 60 g and 36 kg : 48 kg in proportion?

25kg : 20g = 50kg : 40g

Determine if the following ratios from a proportion.Also,write the middle terms and extreme terms where the ratios form a proportion. 2kg:80 kg and 25 g:625 g.

Are the ratio in proportion ? 3 km to 9000 m and 6000 g to 4 kg

Check whether area in proportion. 0.02 kg to 10 g and 40 litres to 30 litres