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Finding the Fourth Proportional to 33,866.98, 50,802.90 and 11,680.03

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Solution

The fourth proportional to 33,866.98, 50,802.90 and 11,680.03 is: 17,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.98 : 50,802.90 = 11,680.03 : x
  2. Step 2: Convert to fraction form
    33,866.98/50,802.90 = 11,680.03/x
  3. Step 3: Cross multiply
    33,866.98x = 50,802.90 × 11,680.03
  4. Step 4: Simplify right side
    33,866.98x = 593,379,396.09
  5. Step 5: Solve for x
    x = 593,379,396.09/33,866.98
  6. Step 6: Final answer
    x = 17,520.88

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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.