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Finding the Fourth Proportional to 75,408.44, 113,093.97 and 25,487.43

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Solution

The fourth proportional to 75,408.44, 113,093.97 and 25,487.43 is: 38,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.44 : 113,093.97 = 25,487.43 : x
  2. Step 2: Convert to fraction form
    75,408.44/113,093.97 = 25,487.43/x
  3. Step 3: Cross multiply
    75,408.44x = 113,093.97 × 25,487.43
  4. Step 4: Simplify right side
    75,408.44x = 2,882,474,643.80
  5. Step 5: Solve for x
    x = 2,882,474,643.80/75,408.44
  6. Step 6: Final answer
    x = 38,224.83

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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.