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Finding the Fourth Proportional to 33,668.76, 50,540.06 and 13,961.16

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Solution

The fourth proportional to 33,668.76, 50,540.06 and 13,961.16 is: 20,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668.76 : 50,540.06 = 13,961.16 : x
  2. Step 2: Convert to fraction form
    33,668.76/50,540.06 = 13,961.16/x
  3. Step 3: Cross multiply
    33,668.76x = 50,540.06 × 13,961.16
  4. Step 4: Simplify right side
    33,668.76x = 705,597,794.26
  5. Step 5: Solve for x
    x = 705,597,794.26/33,668.76
  6. Step 6: Final answer
    x = 20,957.05

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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.