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Finding the Fourth Proportional to 18,097.62, 27,139.41 and 6,249.24

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Solution

The fourth proportional to 18,097.62, 27,139.41 and 6,249.24 is: 9,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.62 : 27,139.41 = 6,249.24 : x
  2. Step 2: Convert to fraction form
    18,097.62/27,139.41 = 6,249.24/x
  3. Step 3: Cross multiply
    18,097.62x = 27,139.41 × 6,249.24
  4. Step 4: Simplify right side
    18,097.62x = 169,600,686.55
  5. Step 5: Solve for x
    x = 169,600,686.55/18,097.62
  6. Step 6: Final answer
    x = 9,371.44

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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.