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Finding the Fourth Proportional to 48,997.71, 67,616.82 and 26,641.71

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Solution

The fourth proportional to 48,997.71, 67,616.82 and 26,641.71 is: 36,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,997.71 : 67,616.82 = 26,641.71 : x
  2. Step 2: Convert to fraction form
    48,997.71/67,616.82 = 26,641.71/x
  3. Step 3: Cross multiply
    48,997.71x = 67,616.82 × 26,641.71
  4. Step 4: Simplify right side
    48,997.71x = 1,801,427,709.56
  5. Step 5: Solve for x
    x = 1,801,427,709.56/48,997.71
  6. Step 6: Final answer
    x = 36,765.55

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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.