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Finding the Fourth Proportional to 825.26, 1,233.06 and 796.56

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Solution

The fourth proportional to 825.26, 1,233.06 and 796.56 is: 1,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    825.26 : 1,233.06 = 796.56 : x
  2. Step 2: Convert to fraction form
    825.26/1,233.06 = 796.56/x
  3. Step 3: Cross multiply
    825.26x = 1,233.06 × 796.56
  4. Step 4: Simplify right side
    825.26x = 982,206.27
  5. Step 5: Solve for x
    x = 982,206.27/825.26
  6. Step 6: Final answer
    x = 1,190.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.