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Finding the Fourth Proportional to 27,843.03, 41,763.84 and 8,121.76

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Solution

The fourth proportional to 27,843.03, 41,763.84 and 8,121.76 is: 12,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.03 : 41,763.84 = 8,121.76 : x
  2. Step 2: Convert to fraction form
    27,843.03/41,763.84 = 8,121.76/x
  3. Step 3: Cross multiply
    27,843.03x = 41,763.84 × 8,121.76
  4. Step 4: Simplify right side
    27,843.03x = 339,195,795.98
  5. Step 5: Solve for x
    x = 339,195,795.98/27,843.03
  6. Step 6: Final answer
    x = 12,182.43

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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.