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Finding the Fourth Proportional to 57,801.91, 86,702.86 and 16,248.91

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Solution

The fourth proportional to 57,801.91, 86,702.86 and 16,248.91 is: 24,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801.91 : 86,702.86 = 16,248.91 : x
  2. Step 2: Convert to fraction form
    57,801.91/86,702.86 = 16,248.91/x
  3. Step 3: Cross multiply
    57,801.91x = 86,702.86 × 16,248.91
  4. Step 4: Simplify right side
    57,801.91x = 1,408,826,494.75
  5. Step 5: Solve for x
    x = 1,408,826,494.75/57,801.91
  6. Step 6: Final answer
    x = 24,373.36

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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.