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Finding the Fourth Proportional to 69,490.89, 104,251.05 and 26,797.41

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Solution

The fourth proportional to 69,490.89, 104,251.05 and 26,797.41 is: 40,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,490.89 : 104,251.05 = 26,797.41 : x
  2. Step 2: Convert to fraction form
    69,490.89/104,251.05 = 26,797.41/x
  3. Step 3: Cross multiply
    69,490.89x = 104,251.05 × 26,797.41
  4. Step 4: Simplify right side
    69,490.89x = 2,793,658,129.78
  5. Step 5: Solve for x
    x = 2,793,658,129.78/69,490.89
  6. Step 6: Final answer
    x = 40,201.79

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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.