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Finding the Fourth Proportional to 39,254.80, 58,859.89 and 26,789.92

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Solution

The fourth proportional to 39,254.80, 58,859.89 and 26,789.92 is: 40,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,254.80 : 58,859.89 = 26,789.92 : x
  2. Step 2: Convert to fraction form
    39,254.80/58,859.89 = 26,789.92/x
  3. Step 3: Cross multiply
    39,254.80x = 58,859.89 × 26,789.92
  4. Step 4: Simplify right side
    39,254.80x = 1,576,851,677.33
  5. Step 5: Solve for x
    x = 1,576,851,677.33/39,254.80
  6. Step 6: Final answer
    x = 40,169.66

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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.