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Finding the Fourth Proportional to 44,388.91, 61,171.90 and 31,791.79

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Solution

The fourth proportional to 44,388.91, 61,171.90 and 31,791.79 is: 43,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,388.91 : 61,171.90 = 31,791.79 : x
  2. Step 2: Convert to fraction form
    44,388.91/61,171.90 = 31,791.79/x
  3. Step 3: Cross multiply
    44,388.91x = 61,171.90 × 31,791.79
  4. Step 4: Simplify right side
    44,388.91x = 1,944,764,198.70
  5. Step 5: Solve for x
    x = 1,944,764,198.70/44,388.91
  6. Step 6: Final answer
    x = 43,811.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.