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Finding the Fourth Proportional to 60,490.52, 90,676.64 and 27,218.96

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Solution

The fourth proportional to 60,490.52, 90,676.64 and 27,218.96 is: 40,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.52 : 90,676.64 = 27,218.96 : x
  2. Step 2: Convert to fraction form
    60,490.52/90,676.64 = 27,218.96/x
  3. Step 3: Cross multiply
    60,490.52x = 90,676.64 × 27,218.96
  4. Step 4: Simplify right side
    60,490.52x = 2,468,123,837.09
  5. Step 5: Solve for x
    x = 2,468,123,837.09/60,490.52
  6. Step 6: Final answer
    x = 40,801.83

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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.