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Finding the Fourth Proportional to 57,801.75, 86,702.64 and 16,248.75

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Solution

The fourth proportional to 57,801.75, 86,702.64 and 16,248.75 is: 24,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801.75 : 86,702.64 = 16,248.75 : x
  2. Step 2: Convert to fraction form
    57,801.75/86,702.64 = 16,248.75/x
  3. Step 3: Cross multiply
    57,801.75x = 86,702.64 × 16,248.75
  4. Step 4: Simplify right side
    57,801.75x = 1,408,809,521.70
  5. Step 5: Solve for x
    x = 1,408,809,521.70/57,801.75
  6. Step 6: Final answer
    x = 24,373.13

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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.