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Finding the Fourth Proportional to 23,179.36, 34,768.68 and 9,328

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Solution

The fourth proportional to 23,179.36, 34,768.68 and 9,328 is: 13,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.36 : 34,768.68 = 9,328 : x
  2. Step 2: Convert to fraction form
    23,179.36/34,768.68 = 9,328/x
  3. Step 3: Cross multiply
    23,179.36x = 34,768.68 × 9,328
  4. Step 4: Simplify right side
    23,179.36x = 324,322,247.04
  5. Step 5: Solve for x
    x = 324,322,247.04/23,179.36
  6. Step 6: Final answer
    x = 13,991.86

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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.