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Finding the Fourth Proportional to 69,843.56, 104,762.52 and 17,251.70

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Solution

The fourth proportional to 69,843.56, 104,762.52 and 17,251.70 is: 25,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.56 : 104,762.52 = 17,251.70 : x
  2. Step 2: Convert to fraction form
    69,843.56/104,762.52 = 17,251.70/x
  3. Step 3: Cross multiply
    69,843.56x = 104,762.52 × 17,251.70
  4. Step 4: Simplify right side
    69,843.56x = 1,807,331,566.28
  5. Step 5: Solve for x
    x = 1,807,331,566.28/69,843.56
  6. Step 6: Final answer
    x = 25,876.85

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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.