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Finding the Fourth Proportional to 69,540.64, 104,325.48 and 22,789.84

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Solution

The fourth proportional to 69,540.64, 104,325.48 and 22,789.84 is: 34,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.64 : 104,325.48 = 22,789.84 : x
  2. Step 2: Convert to fraction form
    69,540.64/104,325.48 = 22,789.84/x
  3. Step 3: Cross multiply
    69,540.64x = 104,325.48 × 22,789.84
  4. Step 4: Simplify right side
    69,540.64x = 2,377,560,997.12
  5. Step 5: Solve for x
    x = 2,377,560,997.12/69,540.64
  6. Step 6: Final answer
    x = 34,189.52

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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.