Finding the Fourth Proportional to 73,972.84, 110,958.76 and 29,609.84
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Solution
The fourth proportional to 73,972.84, 110,958.76 and 29,609.84 is: 44,414.56
Step by Step Solution
- Step 1: Write the proportion equation
73,972.84 : 110,958.76 = 29,609.84 : x - Step 2: Convert to fraction form
73,972.84/110,958.76 = 29,609.84/x - Step 3: Cross multiply
73,972.84x = 110,958.76 × 29,609.84 - Step 4: Simplify right side
73,972.84x = 3,285,471,130.20 - Step 5: Solve for x
x = 3,285,471,130.20/73,972.84 - Step 6: Final answer
x = 44,414.56
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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.