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Finding the Fourth Proportional to 57,174.49, 85,791 and 27,222.61

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Solution

The fourth proportional to 57,174.49, 85,791 and 27,222.61 is: 40,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.49 : 85,791 = 27,222.61 : x
  2. Step 2: Convert to fraction form
    57,174.49/85,791 = 27,222.61/x
  3. Step 3: Cross multiply
    57,174.49x = 85,791 × 27,222.61
  4. Step 4: Simplify right side
    57,174.49x = 2,335,454,934.51
  5. Step 5: Solve for x
    x = 2,335,454,934.51/57,174.49
  6. Step 6: Final answer
    x = 40,847.85

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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.