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Finding the Fourth Proportional to 27,919.67, 41,879.15 and 8,197.52

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Solution

The fourth proportional to 27,919.67, 41,879.15 and 8,197.52 is: 12,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.67 : 41,879.15 = 8,197.52 : x
  2. Step 2: Convert to fraction form
    27,919.67/41,879.15 = 8,197.52/x
  3. Step 3: Cross multiply
    27,919.67x = 41,879.15 × 8,197.52
  4. Step 4: Simplify right side
    27,919.67x = 343,305,169.71
  5. Step 5: Solve for x
    x = 343,305,169.71/27,919.67
  6. Step 6: Final answer
    x = 12,296.18

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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.