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Finding the Fourth Proportional to 50,234.87, 75,352.32 and 39,149.87

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Solution

The fourth proportional to 50,234.87, 75,352.32 and 39,149.87 is: 58,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,234.87 : 75,352.32 = 39,149.87 : x
  2. Step 2: Convert to fraction form
    50,234.87/75,352.32 = 39,149.87/x
  3. Step 3: Cross multiply
    50,234.87x = 75,352.32 × 39,149.87
  4. Step 4: Simplify right side
    50,234.87x = 2,950,033,155.44
  5. Step 5: Solve for x
    x = 2,950,033,155.44/50,234.87
  6. Step 6: Final answer
    x = 58,724.81

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Double scale
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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.