Finding the Fourth Proportional to 74,773.14, 103,183.30 and 44,557.80
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Solution
The fourth proportional to 74,773.14, 103,183.30 and 44,557.80 is: 61,487.60
Step by Step Solution
- Step 1: Write the proportion equation
74,773.14 : 103,183.30 = 44,557.80 : x - Step 2: Convert to fraction form
74,773.14/103,183.30 = 44,557.80/x - Step 3: Cross multiply
74,773.14x = 103,183.30 × 44,557.80 - Step 4: Simplify right side
74,773.14x = 4,597,620,844.74 - Step 5: Solve for x
x = 4,597,620,844.74/74,773.14 - Step 6: Final answer
x = 61,487.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.