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Finding the Fourth Proportional to 2,467.78, 3,404.97 and 1,472.87

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Solution

The fourth proportional to 2,467.78, 3,404.97 and 1,472.87 is: 2,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.78 : 3,404.97 = 1,472.87 : x
  2. Step 2: Convert to fraction form
    2,467.78/3,404.97 = 1,472.87/x
  3. Step 3: Cross multiply
    2,467.78x = 3,404.97 × 1,472.87
  4. Step 4: Simplify right side
    2,467.78x = 5,015,078.16
  5. Step 5: Solve for x
    x = 5,015,078.16/2,467.78
  6. Step 6: Final answer
    x = 2,032.22

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