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Finding the Fourth Proportional to 2,644.25, 3,640.76 and 2,245.07

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Solution

The fourth proportional to 2,644.25, 3,640.76 and 2,245.07 is: 3,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.25 : 3,640.76 = 2,245.07 : x
  2. Step 2: Convert to fraction form
    2,644.25/3,640.76 = 2,245.07/x
  3. Step 3: Cross multiply
    2,644.25x = 3,640.76 × 2,245.07
  4. Step 4: Simplify right side
    2,644.25x = 8,173,767.35
  5. Step 5: Solve for x
    x = 8,173,767.35/2,644.25
  6. Step 6: Final answer
    x = 3,091.15

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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.