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Finding the Fourth Proportional to 60,892.69, 91,348.15 and 18,769.27

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Solution

The fourth proportional to 60,892.69, 91,348.15 and 18,769.27 is: 28,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,892.69 : 91,348.15 = 18,769.27 : x
  2. Step 2: Convert to fraction form
    60,892.69/91,348.15 = 18,769.27/x
  3. Step 3: Cross multiply
    60,892.69x = 91,348.15 × 18,769.27
  4. Step 4: Simplify right side
    60,892.69x = 1,714,538,044.43
  5. Step 5: Solve for x
    x = 1,714,538,044.43/60,892.69
  6. Step 6: Final answer
    x = 28,156.71

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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.