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Finding the Fourth Proportional to 52,279.46, 78,375.11 and 22,675

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Solution

The fourth proportional to 52,279.46, 78,375.11 and 22,675 is: 33,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.46 : 78,375.11 = 22,675 : x
  2. Step 2: Convert to fraction form
    52,279.46/78,375.11 = 22,675/x
  3. Step 3: Cross multiply
    52,279.46x = 78,375.11 × 22,675
  4. Step 4: Simplify right side
    52,279.46x = 1,777,155,619.25
  5. Step 5: Solve for x
    x = 1,777,155,619.25/52,279.46
  6. Step 6: Final answer
    x = 33,993.38

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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.