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Finding the Fourth Proportional to 5,373.78, 7,414.03 and 3,249.96

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Solution

The fourth proportional to 5,373.78, 7,414.03 and 3,249.96 is: 4,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.78 : 7,414.03 = 3,249.96 : x
  2. Step 2: Convert to fraction form
    5,373.78/7,414.03 = 3,249.96/x
  3. Step 3: Cross multiply
    5,373.78x = 7,414.03 × 3,249.96
  4. Step 4: Simplify right side
    5,373.78x = 24,095,277.20
  5. Step 5: Solve for x
    x = 24,095,277.20/5,373.78
  6. Step 6: Final answer
    x = 4,483.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.