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Finding the Fourth Proportional to 29,025.72, 43,542.36 and 8,249.76

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Solution

The fourth proportional to 29,025.72, 43,542.36 and 8,249.76 is: 12,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025.72 : 43,542.36 = 8,249.76 : x
  2. Step 2: Convert to fraction form
    29,025.72/43,542.36 = 8,249.76/x
  3. Step 3: Cross multiply
    29,025.72x = 43,542.36 × 8,249.76
  4. Step 4: Simplify right side
    29,025.72x = 359,214,019.83
  5. Step 5: Solve for x
    x = 359,214,019.83/29,025.72
  6. Step 6: Final answer
    x = 12,375.71

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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.