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Finding the Fourth Proportional to 68,052.92, 93,911.28 and 37,836.68

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Solution

The fourth proportional to 68,052.92, 93,911.28 and 37,836.68 is: 52,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,052.92 : 93,911.28 = 37,836.68 : x
  2. Step 2: Convert to fraction form
    68,052.92/93,911.28 = 37,836.68/x
  3. Step 3: Cross multiply
    68,052.92x = 93,911.28 × 37,836.68
  4. Step 4: Simplify right side
    68,052.92x = 3,553,291,049.75
  5. Step 5: Solve for x
    x = 3,553,291,049.75/68,052.92
  6. Step 6: Final answer
    x = 52,213.65

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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.