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Finding the Fourth Proportional to 1,062.92, 1,593.42 and 575.56

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Solution

The fourth proportional to 1,062.92, 1,593.42 and 575.56 is: 862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.92 : 1,593.42 = 575.56 : x
  2. Step 2: Convert to fraction form
    1,062.92/1,593.42 = 575.56/x
  3. Step 3: Cross multiply
    1,062.92x = 1,593.42 × 575.56
  4. Step 4: Simplify right side
    1,062.92x = 917,108.82
  5. Step 5: Solve for x
    x = 917,108.82/1,062.92
  6. Step 6: Final answer
    x = 862.82

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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.