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Finding the Fourth Proportional to 33,100.71, 49,654.31 and 10,905.03

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Solution

The fourth proportional to 33,100.71, 49,654.31 and 10,905.03 is: 16,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.71 : 49,654.31 = 10,905.03 : x
  2. Step 2: Convert to fraction form
    33,100.71/49,654.31 = 10,905.03/x
  3. Step 3: Cross multiply
    33,100.71x = 49,654.31 × 10,905.03
  4. Step 4: Simplify right side
    33,100.71x = 541,481,685.65
  5. Step 5: Solve for x
    x = 541,481,685.65/33,100.71
  6. Step 6: Final answer
    x = 16,358.61

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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.