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Finding the Fourth Proportional to 2,660.52, 3,671.16 and 1,481.40

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Solution

The fourth proportional to 2,660.52, 3,671.16 and 1,481.40 is: 2,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.52 : 3,671.16 = 1,481.40 : x
  2. Step 2: Convert to fraction form
    2,660.52/3,671.16 = 1,481.40/x
  3. Step 3: Cross multiply
    2,660.52x = 3,671.16 × 1,481.40
  4. Step 4: Simplify right side
    2,660.52x = 5,438,456.42
  5. Step 5: Solve for x
    x = 5,438,456.42/2,660.52
  6. Step 6: Final answer
    x = 2,044.13

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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.