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Finding the Fourth Proportional to 33,660, 50,504.32 and 13,952.88

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Solution

The fourth proportional to 33,660, 50,504.32 and 13,952.88 is: 20,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660 : 50,504.32 = 13,952.88 : x
  2. Step 2: Convert to fraction form
    33,660/50,504.32 = 13,952.88/x
  3. Step 3: Cross multiply
    33,660x = 50,504.32 × 13,952.88
  4. Step 4: Simplify right side
    33,660x = 704,680,716.44
  5. Step 5: Solve for x
    x = 704,680,716.44/33,660
  6. Step 6: Final answer
    x = 20,935.26

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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.