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Finding the Fourth Proportional to 57,636.86, 86,462.85 and 22,571.96

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Solution

The fourth proportional to 57,636.86, 86,462.85 and 22,571.96 is: 33,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.86 : 86,462.85 = 22,571.96 : x
  2. Step 2: Convert to fraction form
    57,636.86/86,462.85 = 22,571.96/x
  3. Step 3: Cross multiply
    57,636.86x = 86,462.85 × 22,571.96
  4. Step 4: Simplify right side
    57,636.86x = 1,951,635,991.69
  5. Step 5: Solve for x
    x = 1,951,635,991.69/57,636.86
  6. Step 6: Final answer
    x = 33,860.90

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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.