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Finding the Fourth Proportional to 57,991.73, 80,067.13 and 44,538.94

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Solution

The fourth proportional to 57,991.73, 80,067.13 and 44,538.94 is: 61,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.73 : 80,067.13 = 44,538.94 : x
  2. Step 2: Convert to fraction form
    57,991.73/80,067.13 = 44,538.94/x
  3. Step 3: Cross multiply
    57,991.73x = 80,067.13 × 44,538.94
  4. Step 4: Simplify right side
    57,991.73x = 3,566,104,787.53
  5. Step 5: Solve for x
    x = 3,566,104,787.53/57,991.73
  6. Step 6: Final answer
    x = 61,493.34

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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.