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Finding the Fourth Proportional to 52,279.97, 78,375.86 and 22,675.50

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Solution

The fourth proportional to 52,279.97, 78,375.86 and 22,675.50 is: 33,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.97 : 78,375.86 = 22,675.50 : x
  2. Step 2: Convert to fraction form
    52,279.97/78,375.86 = 22,675.50/x
  3. Step 3: Cross multiply
    52,279.97x = 78,375.86 × 22,675.50
  4. Step 4: Simplify right side
    52,279.97x = 1,777,211,700.05
  5. Step 5: Solve for x
    x = 1,777,211,700.05/52,279.97
  6. Step 6: Final answer
    x = 33,994.13

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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.