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Finding the Fourth Proportional to 71,199.52, 98,252.88 and 38,934.92

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Solution

The fourth proportional to 71,199.52, 98,252.88 and 38,934.92 is: 53,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.52 : 98,252.88 = 38,934.92 : x
  2. Step 2: Convert to fraction form
    71,199.52/98,252.88 = 38,934.92/x
  3. Step 3: Cross multiply
    71,199.52x = 98,252.88 × 38,934.92
  4. Step 4: Simplify right side
    71,199.52x = 3,825,468,022.57
  5. Step 5: Solve for x
    x = 3,825,468,022.57/71,199.52
  6. Step 6: Final answer
    x = 53,728.85

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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.