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Finding the Fourth Proportional to 59,860.78, 89,791.62 and 26,571.90

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Solution

The fourth proportional to 59,860.78, 89,791.62 and 26,571.90 is: 39,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,860.78 : 89,791.62 = 26,571.90 : x
  2. Step 2: Convert to fraction form
    59,860.78/89,791.62 = 26,571.90/x
  3. Step 3: Cross multiply
    59,860.78x = 89,791.62 × 26,571.90
  4. Step 4: Simplify right side
    59,860.78x = 2,385,933,789.43
  5. Step 5: Solve for x
    x = 2,385,933,789.43/59,860.78
  6. Step 6: Final answer
    x = 39,858.05

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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.