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Finding the Fourth Proportional to 69,381.68, 95,746.56 and 37,550.61

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Solution

The fourth proportional to 69,381.68, 95,746.56 and 37,550.61 is: 51,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381.68 : 95,746.56 = 37,550.61 : x
  2. Step 2: Convert to fraction form
    69,381.68/95,746.56 = 37,550.61/x
  3. Step 3: Cross multiply
    69,381.68x = 95,746.56 × 37,550.61
  4. Step 4: Simplify right side
    69,381.68x = 3,595,341,233.54
  5. Step 5: Solve for x
    x = 3,595,341,233.54/69,381.68
  6. Step 6: Final answer
    x = 51,819.75

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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.