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Finding the Fourth Proportional to 22,998.88, 34,500.48 and 8,959.96

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Solution

The fourth proportional to 22,998.88, 34,500.48 and 8,959.96 is: 13,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.88 : 34,500.48 = 8,959.96 : x
  2. Step 2: Convert to fraction form
    22,998.88/34,500.48 = 8,959.96/x
  3. Step 3: Cross multiply
    22,998.88x = 34,500.48 × 8,959.96
  4. Step 4: Simplify right side
    22,998.88x = 309,122,920.78
  5. Step 5: Solve for x
    x = 309,122,920.78/22,998.88
  6. Step 6: Final answer
    x = 13,440.78

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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.