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Finding the Fourth Proportional to 25,834.96, 38,752.39 and 7,115.11

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Solution

The fourth proportional to 25,834.96, 38,752.39 and 7,115.11 is: 10,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,834.96 : 38,752.39 = 7,115.11 : x
  2. Step 2: Convert to fraction form
    25,834.96/38,752.39 = 7,115.11/x
  3. Step 3: Cross multiply
    25,834.96x = 38,752.39 × 7,115.11
  4. Step 4: Simplify right side
    25,834.96x = 275,727,517.61
  5. Step 5: Solve for x
    x = 275,727,517.61/25,834.96
  6. Step 6: Final answer
    x = 10,672.65

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1.5x scale

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.