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Finding the Fourth Proportional to 53,658.59, 80,517.04 and 22,515.71

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Solution

The fourth proportional to 53,658.59, 80,517.04 and 22,515.71 is: 33,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.59 : 80,517.04 = 22,515.71 : x
  2. Step 2: Convert to fraction form
    53,658.59/80,517.04 = 22,515.71/x
  3. Step 3: Cross multiply
    53,658.59x = 80,517.04 × 22,515.71
  4. Step 4: Simplify right side
    53,658.59x = 1,812,897,863.82
  5. Step 5: Solve for x
    x = 1,812,897,863.82/53,658.59
  6. Step 6: Final answer
    x = 33,785.79

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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.