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Finding the Fourth Proportional to 57,532.67, 86,243.21 and 29,465.97

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Solution

The fourth proportional to 57,532.67, 86,243.21 and 29,465.97 is: 44,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.67 : 86,243.21 = 29,465.97 : x
  2. Step 2: Convert to fraction form
    57,532.67/86,243.21 = 29,465.97/x
  3. Step 3: Cross multiply
    57,532.67x = 86,243.21 × 29,465.97
  4. Step 4: Simplify right side
    57,532.67x = 2,541,239,838.56
  5. Step 5: Solve for x
    x = 2,541,239,838.56/57,532.67
  6. Step 6: Final answer
    x = 44,170.38

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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.