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Finding the Fourth Proportional to 33,230.87, 49,826.22 and 13,243.44

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Solution

The fourth proportional to 33,230.87, 49,826.22 and 13,243.44 is: 19,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.87 : 49,826.22 = 13,243.44 : x
  2. Step 2: Convert to fraction form
    33,230.87/49,826.22 = 13,243.44/x
  3. Step 3: Cross multiply
    33,230.87x = 49,826.22 × 13,243.44
  4. Step 4: Simplify right side
    33,230.87x = 659,870,463.54
  5. Step 5: Solve for x
    x = 659,870,463.54/33,230.87
  6. Step 6: Final answer
    x = 19,857.15

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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.