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Finding the Fourth Proportional to 18,049.57, 27,064.58 and 8,183.46

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Solution

The fourth proportional to 18,049.57, 27,064.58 and 8,183.46 is: 12,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.57 : 27,064.58 = 8,183.46 : x
  2. Step 2: Convert to fraction form
    18,049.57/27,064.58 = 8,183.46/x
  3. Step 3: Cross multiply
    18,049.57x = 27,064.58 × 8,183.46
  4. Step 4: Simplify right side
    18,049.57x = 221,481,907.85
  5. Step 5: Solve for x
    x = 221,481,907.85/18,049.57
  6. Step 6: Final answer
    x = 12,270.76

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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.