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Finding the Fourth Proportional to 25,960.43, 38,949.69 and 8,193.83

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Solution

The fourth proportional to 25,960.43, 38,949.69 and 8,193.83 is: 12,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.43 : 38,949.69 = 8,193.83 : x
  2. Step 2: Convert to fraction form
    25,960.43/38,949.69 = 8,193.83/x
  3. Step 3: Cross multiply
    25,960.43x = 38,949.69 × 8,193.83
  4. Step 4: Simplify right side
    25,960.43x = 319,147,097.44
  5. Step 5: Solve for x
    x = 319,147,097.44/25,960.43
  6. Step 6: Final answer
    x = 12,293.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.