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Finding the Fourth Proportional to 7,169.88, 10,755.63 and 2,239.41

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Solution

The fourth proportional to 7,169.88, 10,755.63 and 2,239.41 is: 3,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.88 : 10,755.63 = 2,239.41 : x
  2. Step 2: Convert to fraction form
    7,169.88/10,755.63 = 2,239.41/x
  3. Step 3: Cross multiply
    7,169.88x = 10,755.63 × 2,239.41
  4. Step 4: Simplify right side
    7,169.88x = 24,086,265.38
  5. Step 5: Solve for x
    x = 24,086,265.38/7,169.88
  6. Step 6: Final answer
    x = 3,359.37

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1.5x scale

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.