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Finding the Fourth Proportional to 5,202.38, 7,801.94 and 1,738.82

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Solution

The fourth proportional to 5,202.38, 7,801.94 and 1,738.82 is: 2,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.38 : 7,801.94 = 1,738.82 : x
  2. Step 2: Convert to fraction form
    5,202.38/7,801.94 = 1,738.82/x
  3. Step 3: Cross multiply
    5,202.38x = 7,801.94 × 1,738.82
  4. Step 4: Simplify right side
    5,202.38x = 13,566,121.61
  5. Step 5: Solve for x
    x = 13,566,121.61/5,202.38
  6. Step 6: Final answer
    x = 2,607.68

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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.