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Finding the Fourth Proportional to 49,481.76, 68,375.24 and 36,029.58

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Solution

The fourth proportional to 49,481.76, 68,375.24 and 36,029.58 is: 49,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,481.76 : 68,375.24 = 36,029.58 : x
  2. Step 2: Convert to fraction form
    49,481.76/68,375.24 = 36,029.58/x
  3. Step 3: Cross multiply
    49,481.76x = 68,375.24 × 36,029.58
  4. Step 4: Simplify right side
    49,481.76x = 2,463,531,179.60
  5. Step 5: Solve for x
    x = 2,463,531,179.60/49,481.76
  6. Step 6: Final answer
    x = 49,786.65

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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.