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Finding the Fourth Proportional to 27,167.60, 37,490.76 and 15,068

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Solution

The fourth proportional to 27,167.60, 37,490.76 and 15,068 is: 20,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.60 : 37,490.76 = 15,068 : x
  2. Step 2: Convert to fraction form
    27,167.60/37,490.76 = 15,068/x
  3. Step 3: Cross multiply
    27,167.60x = 37,490.76 × 15,068
  4. Step 4: Simplify right side
    27,167.60x = 564,910,771.68
  5. Step 5: Solve for x
    x = 564,910,771.68/27,167.60
  6. Step 6: Final answer
    x = 20,793.55

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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.