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Finding the Fourth Proportional to 69,481.71, 104,247.68 and 27,338.58

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Solution

The fourth proportional to 69,481.71, 104,247.68 and 27,338.58 is: 41,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.71 : 104,247.68 = 27,338.58 : x
  2. Step 2: Convert to fraction form
    69,481.71/104,247.68 = 27,338.58/x
  3. Step 3: Cross multiply
    69,481.71x = 104,247.68 × 27,338.58
  4. Step 4: Simplify right side
    69,481.71x = 2,849,983,402.80
  5. Step 5: Solve for x
    x = 2,849,983,402.80/69,481.71
  6. Step 6: Final answer
    x = 41,017.75

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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.