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Finding the Fourth Proportional to 57,709.73, 86,493.98 and 32,770.64

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Solution

The fourth proportional to 57,709.73, 86,493.98 and 32,770.64 is: 49,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.73 : 86,493.98 = 32,770.64 : x
  2. Step 2: Convert to fraction form
    57,709.73/86,493.98 = 32,770.64/x
  3. Step 3: Cross multiply
    57,709.73x = 86,493.98 × 32,770.64
  4. Step 4: Simplify right side
    57,709.73x = 2,834,462,484.42
  5. Step 5: Solve for x
    x = 2,834,462,484.42/57,709.73
  6. Step 6: Final answer
    x = 49,115.85

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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.