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Finding the Fourth Proportional to 33,402.78, 50,036.13 and 15,819.30

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Solution

The fourth proportional to 33,402.78, 50,036.13 and 15,819.30 is: 23,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,402.78 : 50,036.13 = 15,819.30 : x
  2. Step 2: Convert to fraction form
    33,402.78/50,036.13 = 15,819.30/x
  3. Step 3: Cross multiply
    33,402.78x = 50,036.13 × 15,819.30
  4. Step 4: Simplify right side
    33,402.78x = 791,536,551.31
  5. Step 5: Solve for x
    x = 791,536,551.31/33,402.78
  6. Step 6: Final answer
    x = 23,696.73

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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.