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Finding the Fourth Proportional to 57,993.45, 86,858.14 and 34,571.49

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Solution

The fourth proportional to 57,993.45, 86,858.14 and 34,571.49 is: 51,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.45 : 86,858.14 = 34,571.49 : x
  2. Step 2: Convert to fraction form
    57,993.45/86,858.14 = 34,571.49/x
  3. Step 3: Cross multiply
    57,993.45x = 86,858.14 × 34,571.49
  4. Step 4: Simplify right side
    57,993.45x = 3,002,815,318.43
  5. Step 5: Solve for x
    x = 3,002,815,318.43/57,993.45
  6. Step 6: Final answer
    x = 51,778.53

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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.