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Finding the Fourth Proportional to 18,049.30, 27,073.94 and 8,807.38

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Solution

The fourth proportional to 18,049.30, 27,073.94 and 8,807.38 is: 13,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.30 : 27,073.94 = 8,807.38 : x
  2. Step 2: Convert to fraction form
    18,049.30/27,073.94 = 8,807.38/x
  3. Step 3: Cross multiply
    18,049.30x = 27,073.94 × 8,807.38
  4. Step 4: Simplify right side
    18,049.30x = 238,450,477.68
  5. Step 5: Solve for x
    x = 238,450,477.68/18,049.30
  6. Step 6: Final answer
    x = 13,211.07

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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.