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Finding the Fourth Proportional to 67,963.50, 93,788.46 and 37,747.68

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Solution

The fourth proportional to 67,963.50, 93,788.46 and 37,747.68 is: 52,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,963.50 : 93,788.46 = 37,747.68 : x
  2. Step 2: Convert to fraction form
    67,963.50/93,788.46 = 37,747.68/x
  3. Step 3: Cross multiply
    67,963.50x = 93,788.46 × 37,747.68
  4. Step 4: Simplify right side
    67,963.50x = 3,540,296,775.77
  5. Step 5: Solve for x
    x = 3,540,296,775.77/67,963.50
  6. Step 6: Final answer
    x = 52,091.15

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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.