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Finding the Fourth Proportional to 2,648.97, 3,672.33 and 2,508.54

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Solution

The fourth proportional to 2,648.97, 3,672.33 and 2,508.54 is: 3,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.97 : 3,672.33 = 2,508.54 : x
  2. Step 2: Convert to fraction form
    2,648.97/3,672.33 = 2,508.54/x
  3. Step 3: Cross multiply
    2,648.97x = 3,672.33 × 2,508.54
  4. Step 4: Simplify right side
    2,648.97x = 9,212,174.16
  5. Step 5: Solve for x
    x = 9,212,174.16/2,648.97
  6. Step 6: Final answer
    x = 3,477.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.