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Finding the Fourth Proportional to 83,812.52, 125,726.38 and 27,652.79

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Solution

The fourth proportional to 83,812.52, 125,726.38 and 27,652.79 is: 41,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.52 : 125,726.38 = 27,652.79 : x
  2. Step 2: Convert to fraction form
    83,812.52/125,726.38 = 27,652.79/x
  3. Step 3: Cross multiply
    83,812.52x = 125,726.38 × 27,652.79
  4. Step 4: Simplify right side
    83,812.52x = 3,476,685,183.60
  5. Step 5: Solve for x
    x = 3,476,685,183.60/83,812.52
  6. Step 6: Final answer
    x = 41,481.69

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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.