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Finding the Fourth Proportional to 57,859.97, 86,758.76 and 26,252.79

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Solution

The fourth proportional to 57,859.97, 86,758.76 and 26,252.79 is: 39,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,859.97 : 86,758.76 = 26,252.79 : x
  2. Step 2: Convert to fraction form
    57,859.97/86,758.76 = 26,252.79/x
  3. Step 3: Cross multiply
    57,859.97x = 86,758.76 × 26,252.79
  4. Step 4: Simplify right side
    57,859.97x = 2,277,659,375.68
  5. Step 5: Solve for x
    x = 2,277,659,375.68/57,859.97
  6. Step 6: Final answer
    x = 39,365.03

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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.