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Finding the Fourth Proportional to 57,394.86, 86,093.82 and 17,951.97

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Solution

The fourth proportional to 57,394.86, 86,093.82 and 17,951.97 is: 26,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.86 : 86,093.82 = 17,951.97 : x
  2. Step 2: Convert to fraction form
    57,394.86/86,093.82 = 17,951.97/x
  3. Step 3: Cross multiply
    57,394.86x = 86,093.82 × 17,951.97
  4. Step 4: Simplify right side
    57,394.86x = 1,545,553,673.83
  5. Step 5: Solve for x
    x = 1,545,553,673.83/57,394.86
  6. Step 6: Final answer
    x = 26,928.43

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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.