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Finding the Fourth Proportional to 8,162, 12,243.24 and 2,006

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Solution

The fourth proportional to 8,162, 12,243.24 and 2,006 is: 3,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162 : 12,243.24 = 2,006 : x
  2. Step 2: Convert to fraction form
    8,162/12,243.24 = 2,006/x
  3. Step 3: Cross multiply
    8,162x = 12,243.24 × 2,006
  4. Step 4: Simplify right side
    8,162x = 24,559,939.44
  5. Step 5: Solve for x
    x = 24,559,939.44/8,162
  6. Step 6: Final answer
    x = 3,009.06

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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.