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Finding the Fourth Proportional to 62,845.44, 86,745.41 and 36,005.82

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Solution

The fourth proportional to 62,845.44, 86,745.41 and 36,005.82 is: 49,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,845.44 : 86,745.41 = 36,005.82 : x
  2. Step 2: Convert to fraction form
    62,845.44/86,745.41 = 36,005.82/x
  3. Step 3: Cross multiply
    62,845.44x = 86,745.41 × 36,005.82
  4. Step 4: Simplify right side
    62,845.44x = 3,123,339,898.57
  5. Step 5: Solve for x
    x = 3,123,339,898.57/62,845.44
  6. Step 6: Final answer
    x = 49,698.75

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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.