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Finding the Fourth Proportional to 69,073.92, 95,321.85 and 38,859.25

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Solution

The fourth proportional to 69,073.92, 95,321.85 and 38,859.25 is: 53,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.92 : 95,321.85 = 38,859.25 : x
  2. Step 2: Convert to fraction form
    69,073.92/95,321.85 = 38,859.25/x
  3. Step 3: Cross multiply
    69,073.92x = 95,321.85 × 38,859.25
  4. Step 4: Simplify right side
    69,073.92x = 3,704,135,599.61
  5. Step 5: Solve for x
    x = 3,704,135,599.61/69,073.92
  6. Step 6: Final answer
    x = 53,625.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.