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Finding the Fourth Proportional to 18,044.88, 27,078.12 and 6,366.30

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Solution

The fourth proportional to 18,044.88, 27,078.12 and 6,366.30 is: 9,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.88 : 27,078.12 = 6,366.30 : x
  2. Step 2: Convert to fraction form
    18,044.88/27,078.12 = 6,366.30/x
  3. Step 3: Cross multiply
    18,044.88x = 27,078.12 × 6,366.30
  4. Step 4: Simplify right side
    18,044.88x = 172,387,435.36
  5. Step 5: Solve for x
    x = 172,387,435.36/18,044.88
  6. Step 6: Final answer
    x = 9,553.26

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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.