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Finding the Fourth Proportional to 29,208, 43,843.20 and 12,576.27

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Solution

The fourth proportional to 29,208, 43,843.20 and 12,576.27 is: 18,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208 : 43,843.20 = 12,576.27 : x
  2. Step 2: Convert to fraction form
    29,208/43,843.20 = 12,576.27/x
  3. Step 3: Cross multiply
    29,208x = 43,843.20 × 12,576.27
  4. Step 4: Simplify right side
    29,208x = 551,383,920.86
  5. Step 5: Solve for x
    x = 551,383,920.86/29,208
  6. Step 6: Final answer
    x = 18,877.84

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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.