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Finding the Fourth Proportional to 62,850.96, 86,754.65 and 40,250.82

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Solution

The fourth proportional to 62,850.96, 86,754.65 and 40,250.82 is: 55,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.96 : 86,754.65 = 40,250.82 : x
  2. Step 2: Convert to fraction form
    62,850.96/86,754.65 = 40,250.82/x
  3. Step 3: Cross multiply
    62,850.96x = 86,754.65 × 40,250.82
  4. Step 4: Simplify right side
    62,850.96x = 3,491,945,925.39
  5. Step 5: Solve for x
    x = 3,491,945,925.39/62,850.96
  6. Step 6: Final answer
    x = 55,559.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.