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Finding the Fourth Proportional to 18,067.14, 27,104.04 and 8,207.16

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Solution

The fourth proportional to 18,067.14, 27,104.04 and 8,207.16 is: 12,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.14 : 27,104.04 = 8,207.16 : x
  2. Step 2: Convert to fraction form
    18,067.14/27,104.04 = 8,207.16/x
  3. Step 3: Cross multiply
    18,067.14x = 27,104.04 × 8,207.16
  4. Step 4: Simplify right side
    18,067.14x = 222,447,192.93
  5. Step 5: Solve for x
    x = 222,447,192.93/18,067.14
  6. Step 6: Final answer
    x = 12,312.25

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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.