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Finding the Fourth Proportional to 63,012.44, 86,949.78 and 36,150.68

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Solution

The fourth proportional to 63,012.44, 86,949.78 and 36,150.68 is: 49,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.44 : 86,949.78 = 36,150.68 : x
  2. Step 2: Convert to fraction form
    63,012.44/86,949.78 = 36,150.68/x
  3. Step 3: Cross multiply
    63,012.44x = 86,949.78 × 36,150.68
  4. Step 4: Simplify right side
    63,012.44x = 3,143,293,672.85
  5. Step 5: Solve for x
    x = 3,143,293,672.85/63,012.44
  6. Step 6: Final answer
    x = 49,883.70

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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.