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Finding the Fourth Proportional to 22,960.82, 34,454.38 and 8,919.03

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Solution

The fourth proportional to 22,960.82, 34,454.38 and 8,919.03 is: 13,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,960.82 : 34,454.38 = 8,919.03 : x
  2. Step 2: Convert to fraction form
    22,960.82/34,454.38 = 8,919.03/x
  3. Step 3: Cross multiply
    22,960.82x = 34,454.38 × 8,919.03
  4. Step 4: Simplify right side
    22,960.82x = 307,299,648.85
  5. Step 5: Solve for x
    x = 307,299,648.85/22,960.82
  6. Step 6: Final answer
    x = 13,383.65

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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.