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Finding the Fourth Proportional to 69,761.43, 104,589.45 and 35,991.27

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Solution

The fourth proportional to 69,761.43, 104,589.45 and 35,991.27 is: 53,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,761.43 : 104,589.45 = 35,991.27 : x
  2. Step 2: Convert to fraction form
    69,761.43/104,589.45 = 35,991.27/x
  3. Step 3: Cross multiply
    69,761.43x = 104,589.45 × 35,991.27
  4. Step 4: Simplify right side
    69,761.43x = 3,764,307,134.10
  5. Step 5: Solve for x
    x = 3,764,307,134.10/69,761.43
  6. Step 6: Final answer
    x = 53,959.72

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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.