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Finding the Fourth Proportional to 25,892.92, 38,755.84 and 13,395.73

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Solution

The fourth proportional to 25,892.92, 38,755.84 and 13,395.73 is: 20,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892.92 : 38,755.84 = 13,395.73 : x
  2. Step 2: Convert to fraction form
    25,892.92/38,755.84 = 13,395.73/x
  3. Step 3: Cross multiply
    25,892.92x = 38,755.84 × 13,395.73
  4. Step 4: Simplify right side
    25,892.92x = 519,162,768.56
  5. Step 5: Solve for x
    x = 519,162,768.56/25,892.92
  6. Step 6: Final answer
    x = 20,050.38

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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.