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Finding the Fourth Proportional to 4,438.60, 6,662 and 2,248.86

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Solution

The fourth proportional to 4,438.60, 6,662 and 2,248.86 is: 3,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.60 : 6,662 = 2,248.86 : x
  2. Step 2: Convert to fraction form
    4,438.60/6,662 = 2,248.86/x
  3. Step 3: Cross multiply
    4,438.60x = 6,662 × 2,248.86
  4. Step 4: Simplify right side
    4,438.60x = 14,981,905.32
  5. Step 5: Solve for x
    x = 14,981,905.32/4,438.60
  6. Step 6: Final answer
    x = 3,375.37

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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.