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Finding the Fourth Proportional to 1,062.16, 1,593.42 and 542.08

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Solution

The fourth proportional to 1,062.16, 1,593.42 and 542.08 is: 813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.16 : 1,593.42 = 542.08 : x
  2. Step 2: Convert to fraction form
    1,062.16/1,593.42 = 542.08/x
  3. Step 3: Cross multiply
    1,062.16x = 1,593.42 × 542.08
  4. Step 4: Simplify right side
    1,062.16x = 863,761.11
  5. Step 5: Solve for x
    x = 863,761.11/1,062.16
  6. Step 6: Final answer
    x = 813.21

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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.