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Finding the Fourth Proportional to 61,385.56, 92,077.94 and 15,793.22

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Solution

The fourth proportional to 61,385.56, 92,077.94 and 15,793.22 is: 23,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,385.56 : 92,077.94 = 15,793.22 : x
  2. Step 2: Convert to fraction form
    61,385.56/92,077.94 = 15,793.22/x
  3. Step 3: Cross multiply
    61,385.56x = 92,077.94 × 15,793.22
  4. Step 4: Simplify right side
    61,385.56x = 1,454,207,163.57
  5. Step 5: Solve for x
    x = 1,454,207,163.57/61,385.56
  6. Step 6: Final answer
    x = 23,689.73

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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.