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Finding the Fourth Proportional to 3,388.96, 5,079.96 and 2,293.44

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Solution

The fourth proportional to 3,388.96, 5,079.96 and 2,293.44 is: 3,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.96 : 5,079.96 = 2,293.44 : x
  2. Step 2: Convert to fraction form
    3,388.96/5,079.96 = 2,293.44/x
  3. Step 3: Cross multiply
    3,388.96x = 5,079.96 × 2,293.44
  4. Step 4: Simplify right side
    3,388.96x = 11,650,583.46
  5. Step 5: Solve for x
    x = 11,650,583.46/3,388.96
  6. Step 6: Final answer
    x = 3,437.80

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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.