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Finding the Fourth Proportional to 8,474.52, 12,711.56 and 3,793.44

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Solution

The fourth proportional to 8,474.52, 12,711.56 and 3,793.44 is: 5,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.52 : 12,711.56 = 3,793.44 : x
  2. Step 2: Convert to fraction form
    8,474.52/12,711.56 = 3,793.44/x
  3. Step 3: Cross multiply
    8,474.52x = 12,711.56 × 3,793.44
  4. Step 4: Simplify right side
    8,474.52x = 48,220,540.17
  5. Step 5: Solve for x
    x = 48,220,540.17/8,474.52
  6. Step 6: Final answer
    x = 5,690.06

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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.