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Finding the Fourth Proportional to 83,487.76, 125,243.43 and 27,332.43

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Solution

The fourth proportional to 83,487.76, 125,243.43 and 27,332.43 is: 41,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.76 : 125,243.43 = 27,332.43 : x
  2. Step 2: Convert to fraction form
    83,487.76/125,243.43 = 27,332.43/x
  3. Step 3: Cross multiply
    83,487.76x = 125,243.43 × 27,332.43
  4. Step 4: Simplify right side
    83,487.76x = 3,423,207,283.43
  5. Step 5: Solve for x
    x = 3,423,207,283.43/83,487.76
  6. Step 6: Final answer
    x = 41,002.51

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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.