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Finding the Fourth Proportional to 23,919.28, 35,879 and 8,326

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Solution

The fourth proportional to 23,919.28, 35,879 and 8,326 is: 12,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.28 : 35,879 = 8,326 : x
  2. Step 2: Convert to fraction form
    23,919.28/35,879 = 8,326/x
  3. Step 3: Cross multiply
    23,919.28x = 35,879 × 8,326
  4. Step 4: Simplify right side
    23,919.28x = 298,728,554
  5. Step 5: Solve for x
    x = 298,728,554/23,919.28
  6. Step 6: Final answer
    x = 12,489.03

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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.