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Finding the Fourth Proportional to 18,264.38, 27,380.12 and 6,569.38

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Solution

The fourth proportional to 18,264.38, 27,380.12 and 6,569.38 is: 9,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.38 : 27,380.12 = 6,569.38 : x
  2. Step 2: Convert to fraction form
    18,264.38/27,380.12 = 6,569.38/x
  3. Step 3: Cross multiply
    18,264.38x = 27,380.12 × 6,569.38
  4. Step 4: Simplify right side
    18,264.38x = 179,870,412.73
  5. Step 5: Solve for x
    x = 179,870,412.73/18,264.38
  6. Step 6: Final answer
    x = 9,848.15

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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.