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Finding the Fourth Proportional to 1,793.52, 2,691.84 and 1,142.16

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Solution

The fourth proportional to 1,793.52, 2,691.84 and 1,142.16 is: 1,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.52 : 2,691.84 = 1,142.16 : x
  2. Step 2: Convert to fraction form
    1,793.52/2,691.84 = 1,142.16/x
  3. Step 3: Cross multiply
    1,793.52x = 2,691.84 × 1,142.16
  4. Step 4: Simplify right side
    1,793.52x = 3,074,511.97
  5. Step 5: Solve for x
    x = 3,074,511.97/1,793.52
  6. Step 6: Final answer
    x = 1,714.23

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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.