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Finding the Fourth Proportional to 33,251.78, 49,885.80 and 11,065.10

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Solution

The fourth proportional to 33,251.78, 49,885.80 and 11,065.10 is: 16,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.78 : 49,885.80 = 11,065.10 : x
  2. Step 2: Convert to fraction form
    33,251.78/49,885.80 = 11,065.10/x
  3. Step 3: Cross multiply
    33,251.78x = 49,885.80 × 11,065.10
  4. Step 4: Simplify right side
    33,251.78x = 551,991,365.58
  5. Step 5: Solve for x
    x = 551,991,365.58/33,251.78
  6. Step 6: Final answer
    x = 16,600.36

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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.