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Finding the Fourth Proportional to 62,850.78, 86,733.99 and 36,001.98

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Solution

The fourth proportional to 62,850.78, 86,733.99 and 36,001.98 is: 49,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.78 : 86,733.99 = 36,001.98 : x
  2. Step 2: Convert to fraction form
    62,850.78/86,733.99 = 36,001.98/x
  3. Step 3: Cross multiply
    62,850.78x = 86,733.99 × 36,001.98
  4. Step 4: Simplify right side
    62,850.78x = 3,122,595,373.30
  5. Step 5: Solve for x
    x = 3,122,595,373.30/62,850.78
  6. Step 6: Final answer
    x = 49,682.68

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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.