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Finding the Fourth Proportional to 25,899.35, 38,849.20 and 8,369.17

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Solution

The fourth proportional to 25,899.35, 38,849.20 and 8,369.17 is: 12,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.35 : 38,849.20 = 8,369.17 : x
  2. Step 2: Convert to fraction form
    25,899.35/38,849.20 = 8,369.17/x
  3. Step 3: Cross multiply
    25,899.35x = 38,849.20 × 8,369.17
  4. Step 4: Simplify right side
    25,899.35x = 325,135,706.72
  5. Step 5: Solve for x
    x = 325,135,706.72/25,899.35
  6. Step 6: Final answer
    x = 12,553.82

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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.