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Finding the Fourth Proportional to 69,044.40, 103,565.52 and 33,958.44

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Solution

The fourth proportional to 69,044.40, 103,565.52 and 33,958.44 is: 50,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,044.40 : 103,565.52 = 33,958.44 : x
  2. Step 2: Convert to fraction form
    69,044.40/103,565.52 = 33,958.44/x
  3. Step 3: Cross multiply
    69,044.40x = 103,565.52 × 33,958.44
  4. Step 4: Simplify right side
    69,044.40x = 3,516,923,496.99
  5. Step 5: Solve for x
    x = 3,516,923,496.99/69,044.40
  6. Step 6: Final answer
    x = 50,937.13

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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.