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Finding the Fourth Proportional to 57,954.21, 86,949.96 and 26,375.55

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Solution

The fourth proportional to 57,954.21, 86,949.96 and 26,375.55 is: 39,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.21 : 86,949.96 = 26,375.55 : x
  2. Step 2: Convert to fraction form
    57,954.21/86,949.96 = 26,375.55/x
  3. Step 3: Cross multiply
    57,954.21x = 86,949.96 × 26,375.55
  4. Step 4: Simplify right side
    57,954.21x = 2,293,353,017.48
  5. Step 5: Solve for x
    x = 2,293,353,017.48/57,954.21
  6. Step 6: Final answer
    x = 39,571.81

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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.