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Finding the Fourth Proportional to 1,061.66, 1,593.66 and 752.24

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Solution

The fourth proportional to 1,061.66, 1,593.66 and 752.24 is: 1,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.66 : 1,593.66 = 752.24 : x
  2. Step 2: Convert to fraction form
    1,061.66/1,593.66 = 752.24/x
  3. Step 3: Cross multiply
    1,061.66x = 1,593.66 × 752.24
  4. Step 4: Simplify right side
    1,061.66x = 1,198,814.80
  5. Step 5: Solve for x
    x = 1,198,814.80/1,061.66
  6. Step 6: Final answer
    x = 1,129.19

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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.