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Finding the Fourth Proportional to 73,034.92, 100,788.42 and 39,500.92

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Solution

The fourth proportional to 73,034.92, 100,788.42 and 39,500.92 is: 54,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,034.92 : 100,788.42 = 39,500.92 : x
  2. Step 2: Convert to fraction form
    73,034.92/100,788.42 = 39,500.92/x
  3. Step 3: Cross multiply
    73,034.92x = 100,788.42 × 39,500.92
  4. Step 4: Simplify right side
    73,034.92x = 3,981,235,315.35
  5. Step 5: Solve for x
    x = 3,981,235,315.35/73,034.92
  6. Step 6: Final answer
    x = 54,511.39

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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.