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Finding the Fourth Proportional to 4,640.54, 6,403.83 and 2,650.97

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Solution

The fourth proportional to 4,640.54, 6,403.83 and 2,650.97 is: 3,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.54 : 6,403.83 = 2,650.97 : x
  2. Step 2: Convert to fraction form
    4,640.54/6,403.83 = 2,650.97/x
  3. Step 3: Cross multiply
    4,640.54x = 6,403.83 × 2,650.97
  4. Step 4: Simplify right side
    4,640.54x = 16,976,361.22
  5. Step 5: Solve for x
    x = 16,976,361.22/4,640.54
  6. Step 6: Final answer
    x = 3,658.27

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1.5x scale

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.