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Finding the Fourth Proportional to 57,169.30, 85,753.99 and 23,871.22

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Solution

The fourth proportional to 57,169.30, 85,753.99 and 23,871.22 is: 35,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.30 : 85,753.99 = 23,871.22 : x
  2. Step 2: Convert to fraction form
    57,169.30/85,753.99 = 23,871.22/x
  3. Step 3: Cross multiply
    57,169.30x = 85,753.99 × 23,871.22
  4. Step 4: Simplify right side
    57,169.30x = 2,047,052,361.17
  5. Step 5: Solve for x
    x = 2,047,052,361.17/57,169.30
  6. Step 6: Final answer
    x = 35,806.85

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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.