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Finding the Fourth Proportional to 25,849.80, 35,694.90 and 25,013.88

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Solution

The fourth proportional to 25,849.80, 35,694.90 and 25,013.88 is: 34,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.80 : 35,694.90 = 25,013.88 : x
  2. Step 2: Convert to fraction form
    25,849.80/35,694.90 = 25,013.88/x
  3. Step 3: Cross multiply
    25,849.80x = 35,694.90 × 25,013.88
  4. Step 4: Simplify right side
    25,849.80x = 892,867,945.21
  5. Step 5: Solve for x
    x = 892,867,945.21/25,849.80
  6. Step 6: Final answer
    x = 34,540.61

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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.