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Finding the Fourth Proportional to 11,378.08, 17,067.04 and 3,170.08

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Solution

The fourth proportional to 11,378.08, 17,067.04 and 3,170.08 is: 4,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.08 : 17,067.04 = 3,170.08 : x
  2. Step 2: Convert to fraction form
    11,378.08/17,067.04 = 3,170.08/x
  3. Step 3: Cross multiply
    11,378.08x = 17,067.04 × 3,170.08
  4. Step 4: Simplify right side
    11,378.08x = 54,103,882.16
  5. Step 5: Solve for x
    x = 54,103,882.16/11,378.08
  6. Step 6: Final answer
    x = 4,755.10

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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.