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Finding the Fourth Proportional to 4,388.68, 6,579.24 and 1,793.44

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Solution

The fourth proportional to 4,388.68, 6,579.24 and 1,793.44 is: 2,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.68 : 6,579.24 = 1,793.44 : x
  2. Step 2: Convert to fraction form
    4,388.68/6,579.24 = 1,793.44/x
  3. Step 3: Cross multiply
    4,388.68x = 6,579.24 × 1,793.44
  4. Step 4: Simplify right side
    4,388.68x = 11,799,472.19
  5. Step 5: Solve for x
    x = 11,799,472.19/4,388.68
  6. Step 6: Final answer
    x = 2,688.62

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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.