Fourth proportional of
3a²b²:a³:b³
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Answer:
ab/3
Explanation:
Let the fourth proportional be x.
3a²b²:a³::b³:x
In proportion,
Product of extreme terms = Product of mean terms
a³ × b³ = 3a²b² × x
a³b³ = 3a²b²x
x = a³b³ / 3a²b²
x = ab/3
Hence, the fourth proportional ab/3.
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