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Finding the Fourth Proportional to 22,451.64, 33,678.48 and 8,408.04

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Solution

The fourth proportional to 22,451.64, 33,678.48 and 8,408.04 is: 12,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.64 : 33,678.48 = 8,408.04 : x
  2. Step 2: Convert to fraction form
    22,451.64/33,678.48 = 8,408.04/x
  3. Step 3: Cross multiply
    22,451.64x = 33,678.48 × 8,408.04
  4. Step 4: Simplify right side
    22,451.64x = 283,170,006.98
  5. Step 5: Solve for x
    x = 283,170,006.98/22,451.64
  6. Step 6: Final answer
    x = 12,612.44

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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.