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Finding the Fourth Proportional to 71,793.56, 107,690.40 and 22,545.56

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Solution

The fourth proportional to 71,793.56, 107,690.40 and 22,545.56 is: 33,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.56 : 107,690.40 = 22,545.56 : x
  2. Step 2: Convert to fraction form
    71,793.56/107,690.40 = 22,545.56/x
  3. Step 3: Cross multiply
    71,793.56x = 107,690.40 × 22,545.56
  4. Step 4: Simplify right side
    71,793.56x = 2,427,940,374.62
  5. Step 5: Solve for x
    x = 2,427,940,374.62/71,793.56
  6. Step 6: Final answer
    x = 33,818.36

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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.