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Finding the Fourth Proportional to 22,250.40, 33,375.60 and 6,678.96

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Solution

The fourth proportional to 22,250.40, 33,375.60 and 6,678.96 is: 10,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.40 : 33,375.60 = 6,678.96 : x
  2. Step 2: Convert to fraction form
    22,250.40/33,375.60 = 6,678.96/x
  3. Step 3: Cross multiply
    22,250.40x = 33,375.60 × 6,678.96
  4. Step 4: Simplify right side
    22,250.40x = 222,914,297.38
  5. Step 5: Solve for x
    x = 222,914,297.38/22,250.40
  6. Step 6: Final answer
    x = 10,018.44

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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.