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Finding the Fourth Proportional to 57,750.56, 86,542.90 and 34,002.02

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Solution

The fourth proportional to 57,750.56, 86,542.90 and 34,002.02 is: 50,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.56 : 86,542.90 = 34,002.02 : x
  2. Step 2: Convert to fraction form
    57,750.56/86,542.90 = 34,002.02/x
  3. Step 3: Cross multiply
    57,750.56x = 86,542.90 × 34,002.02
  4. Step 4: Simplify right side
    57,750.56x = 2,942,633,416.66
  5. Step 5: Solve for x
    x = 2,942,633,416.66/57,750.56
  6. Step 6: Final answer
    x = 50,954.20

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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.