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Finding the Fourth Proportional to 4,939.38, 7,404.21 and 2,344.14

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Solution

The fourth proportional to 4,939.38, 7,404.21 and 2,344.14 is: 3,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.38 : 7,404.21 = 2,344.14 : x
  2. Step 2: Convert to fraction form
    4,939.38/7,404.21 = 2,344.14/x
  3. Step 3: Cross multiply
    4,939.38x = 7,404.21 × 2,344.14
  4. Step 4: Simplify right side
    4,939.38x = 17,356,504.83
  5. Step 5: Solve for x
    x = 17,356,504.83/4,939.38
  6. Step 6: Final answer
    x = 3,513.90

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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.