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Finding the Fourth Proportional to 5,297.71, 7,949.13 and 3,747.68

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Solution

The fourth proportional to 5,297.71, 7,949.13 and 3,747.68 is: 5,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.71 : 7,949.13 = 3,747.68 : x
  2. Step 2: Convert to fraction form
    5,297.71/7,949.13 = 3,747.68/x
  3. Step 3: Cross multiply
    5,297.71x = 7,949.13 × 3,747.68
  4. Step 4: Simplify right side
    5,297.71x = 29,790,795.52
  5. Step 5: Solve for x
    x = 29,790,795.52/5,297.71
  6. Step 6: Final answer
    x = 5,623.33

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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.