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Finding the Fourth Proportional to 1,747.72, 2,410.94 and 1,327.38

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Solution

The fourth proportional to 1,747.72, 2,410.94 and 1,327.38 is: 1,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.72 : 2,410.94 = 1,327.38 : x
  2. Step 2: Convert to fraction form
    1,747.72/2,410.94 = 1,327.38/x
  3. Step 3: Cross multiply
    1,747.72x = 2,410.94 × 1,327.38
  4. Step 4: Simplify right side
    1,747.72x = 3,200,233.54
  5. Step 5: Solve for x
    x = 3,200,233.54/1,747.72
  6. Step 6: Final answer
    x = 1,831.09

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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.