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Finding the Fourth Proportional to 7,169.68, 10,761.80 and 5,092.03

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Solution

The fourth proportional to 7,169.68, 10,761.80 and 5,092.03 is: 7,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.68 : 10,761.80 = 5,092.03 : x
  2. Step 2: Convert to fraction form
    7,169.68/10,761.80 = 5,092.03/x
  3. Step 3: Cross multiply
    7,169.68x = 10,761.80 × 5,092.03
  4. Step 4: Simplify right side
    7,169.68x = 54,799,408.45
  5. Step 5: Solve for x
    x = 54,799,408.45/7,169.68
  6. Step 6: Final answer
    x = 7,643.22

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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.