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Finding the Fourth Proportional to 57,963.73, 86,832.41 and 39,948.74

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Solution

The fourth proportional to 57,963.73, 86,832.41 and 39,948.74 is: 59,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.73 : 86,832.41 = 39,948.74 : x
  2. Step 2: Convert to fraction form
    57,963.73/86,832.41 = 39,948.74/x
  3. Step 3: Cross multiply
    57,963.73x = 86,832.41 × 39,948.74
  4. Step 4: Simplify right side
    57,963.73x = 3,468,845,099.83
  5. Step 5: Solve for x
    x = 3,468,845,099.83/57,963.73
  6. Step 6: Final answer
    x = 59,845.09

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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.