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Finding the Fourth Proportional to 71,249.92, 106,874.81 and 33,789.57

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Solution

The fourth proportional to 71,249.92, 106,874.81 and 33,789.57 is: 50,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249.92 : 106,874.81 = 33,789.57 : x
  2. Step 2: Convert to fraction form
    71,249.92/106,874.81 = 33,789.57/x
  3. Step 3: Cross multiply
    71,249.92x = 106,874.81 × 33,789.57
  4. Step 4: Simplify right side
    71,249.92x = 3,611,253,430.71
  5. Step 5: Solve for x
    x = 3,611,253,430.71/71,249.92
  6. Step 6: Final answer
    x = 50,684.32

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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.