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Finding the Fourth Proportional to 22,246.89, 33,375.80 and 6,664.52

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Solution

The fourth proportional to 22,246.89, 33,375.80 and 6,664.52 is: 9,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.89 : 33,375.80 = 6,664.52 : x
  2. Step 2: Convert to fraction form
    22,246.89/33,375.80 = 6,664.52/x
  3. Step 3: Cross multiply
    22,246.89x = 33,375.80 × 6,664.52
  4. Step 4: Simplify right side
    22,246.89x = 222,433,686.62
  5. Step 5: Solve for x
    x = 222,433,686.62/22,246.89
  6. Step 6: Final answer
    x = 9,998.42

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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.