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Finding the Fourth Proportional to 33,893.27, 50,800.56 and 12,819.90

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Solution

The fourth proportional to 33,893.27, 50,800.56 and 12,819.90 is: 19,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,893.27 : 50,800.56 = 12,819.90 : x
  2. Step 2: Convert to fraction form
    33,893.27/50,800.56 = 12,819.90/x
  3. Step 3: Cross multiply
    33,893.27x = 50,800.56 × 12,819.90
  4. Step 4: Simplify right side
    33,893.27x = 651,258,099.14
  5. Step 5: Solve for x
    x = 651,258,099.14/33,893.27
  6. Step 6: Final answer
    x = 19,214.97

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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.