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Finding the Fourth Proportional to 57,745.92, 79,687.13 and 36,247.22

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Solution

The fourth proportional to 57,745.92, 79,687.13 and 36,247.22 is: 50,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.92 : 79,687.13 = 36,247.22 : x
  2. Step 2: Convert to fraction form
    57,745.92/79,687.13 = 36,247.22/x
  3. Step 3: Cross multiply
    57,745.92x = 79,687.13 × 36,247.22
  4. Step 4: Simplify right side
    57,745.92x = 2,888,436,651.43
  5. Step 5: Solve for x
    x = 2,888,436,651.43/57,745.92
  6. Step 6: Final answer
    x = 50,019.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.