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Finding the Fourth Proportional to 57,796.88, 86,695.31 and 16,243.88

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Solution

The fourth proportional to 57,796.88, 86,695.31 and 16,243.88 is: 24,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,796.88 : 86,695.31 = 16,243.88 : x
  2. Step 2: Convert to fraction form
    57,796.88/86,695.31 = 16,243.88/x
  3. Step 3: Cross multiply
    57,796.88x = 86,695.31 × 16,243.88
  4. Step 4: Simplify right side
    57,796.88x = 1,408,267,819.34
  5. Step 5: Solve for x
    x = 1,408,267,819.34/57,796.88
  6. Step 6: Final answer
    x = 24,365.81

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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.