Finding the Fourth Proportional to 73,558.92, 110,338.62 and 20,251.62
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Solution
The fourth proportional to 73,558.92, 110,338.62 and 20,251.62 is: 30,377.50
Step by Step Solution
- Step 1: Write the proportion equation
73,558.92 : 110,338.62 = 20,251.62 : x - Step 2: Convert to fraction form
73,558.92/110,338.62 = 20,251.62/x - Step 3: Cross multiply
73,558.92x = 110,338.62 × 20,251.62 - Step 4: Simplify right side
73,558.92x = 2,234,535,803.56 - Step 5: Solve for x
x = 2,234,535,803.56/73,558.92 - Step 6: Final answer
x = 30,377.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.