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Finding the Fourth Proportional to 5,793.32, 8,691.42 and 1,898.12

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Solution

The fourth proportional to 5,793.32, 8,691.42 and 1,898.12 is: 2,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.32 : 8,691.42 = 1,898.12 : x
  2. Step 2: Convert to fraction form
    5,793.32/8,691.42 = 1,898.12/x
  3. Step 3: Cross multiply
    5,793.32x = 8,691.42 × 1,898.12
  4. Step 4: Simplify right side
    5,793.32x = 16,497,358.13
  5. Step 5: Solve for x
    x = 16,497,358.13/5,793.32
  6. Step 6: Final answer
    x = 2,847.65

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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.