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Finding the Fourth Proportional to 33,960.67, 50,943.30 and 9,000.43

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Solution

The fourth proportional to 33,960.67, 50,943.30 and 9,000.43 is: 13,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,960.67 : 50,943.30 = 9,000.43 : x
  2. Step 2: Convert to fraction form
    33,960.67/50,943.30 = 9,000.43/x
  3. Step 3: Cross multiply
    33,960.67x = 50,943.30 × 9,000.43
  4. Step 4: Simplify right side
    33,960.67x = 458,511,605.62
  5. Step 5: Solve for x
    x = 458,511,605.62/33,960.67
  6. Step 6: Final answer
    x = 13,501.25

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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.