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Finding the Fourth Proportional to 25,906.38, 38,849.85 and 8,371.50

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Solution

The fourth proportional to 25,906.38, 38,849.85 and 8,371.50 is: 12,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.38 : 38,849.85 = 8,371.50 : x
  2. Step 2: Convert to fraction form
    25,906.38/38,849.85 = 8,371.50/x
  3. Step 3: Cross multiply
    25,906.38x = 38,849.85 × 8,371.50
  4. Step 4: Simplify right side
    25,906.38x = 325,231,519.28
  5. Step 5: Solve for x
    x = 325,231,519.28/25,906.38
  6. Step 6: Final answer
    x = 12,554.11

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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.