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Finding the Fourth Proportional to 27,452.40, 41,179.40 and 9,919.12

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Solution

The fourth proportional to 27,452.40, 41,179.40 and 9,919.12 is: 14,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.40 : 41,179.40 = 9,919.12 : x
  2. Step 2: Convert to fraction form
    27,452.40/41,179.40 = 9,919.12/x
  3. Step 3: Cross multiply
    27,452.40x = 41,179.40 × 9,919.12
  4. Step 4: Simplify right side
    27,452.40x = 408,463,410.13
  5. Step 5: Solve for x
    x = 408,463,410.13/27,452.40
  6. Step 6: Final answer
    x = 14,878.97

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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.