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Finding the Fourth Proportional to 18,046.20, 27,098.10 and 13,150.20

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Solution

The fourth proportional to 18,046.20, 27,098.10 and 13,150.20 is: 19,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.20 : 27,098.10 = 13,150.20 : x
  2. Step 2: Convert to fraction form
    18,046.20/27,098.10 = 13,150.20/x
  3. Step 3: Cross multiply
    18,046.20x = 27,098.10 × 13,150.20
  4. Step 4: Simplify right side
    18,046.20x = 356,345,434.62
  5. Step 5: Solve for x
    x = 356,345,434.62/18,046.20
  6. Step 6: Final answer
    x = 19,746.29

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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.