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Finding the Fourth Proportional to 57,886.70, 86,871.56 and 24,630.13

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Solution

The fourth proportional to 57,886.70, 86,871.56 and 24,630.13 is: 36,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.70 : 86,871.56 = 24,630.13 : x
  2. Step 2: Convert to fraction form
    57,886.70/86,871.56 = 24,630.13/x
  3. Step 3: Cross multiply
    57,886.70x = 86,871.56 × 24,630.13
  4. Step 4: Simplify right side
    57,886.70x = 2,139,657,520.71
  5. Step 5: Solve for x
    x = 2,139,657,520.71/57,886.70
  6. Step 6: Final answer
    x = 36,962.85

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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.