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Finding the Fourth Proportional to 57,732.70, 86,611.20 and 32,752.30

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Solution

The fourth proportional to 57,732.70, 86,611.20 and 32,752.30 is: 49,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.70 : 86,611.20 = 32,752.30 : x
  2. Step 2: Convert to fraction form
    57,732.70/86,611.20 = 32,752.30/x
  3. Step 3: Cross multiply
    57,732.70x = 86,611.20 × 32,752.30
  4. Step 4: Simplify right side
    57,732.70x = 2,836,716,005.76
  5. Step 5: Solve for x
    x = 2,836,716,005.76/57,732.70
  6. Step 6: Final answer
    x = 49,135.34

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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.