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Finding the Fourth Proportional to 29,103.57, 43,685.90 and 25,793

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Solution

The fourth proportional to 29,103.57, 43,685.90 and 25,793 is: 38,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.57 : 43,685.90 = 25,793 : x
  2. Step 2: Convert to fraction form
    29,103.57/43,685.90 = 25,793/x
  3. Step 3: Cross multiply
    29,103.57x = 43,685.90 × 25,793
  4. Step 4: Simplify right side
    29,103.57x = 1,126,790,418.70
  5. Step 5: Solve for x
    x = 1,126,790,418.70/29,103.57
  6. Step 6: Final answer
    x = 38,716.57

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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.