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Finding the Fourth Proportional to 9.26, 13.94 and 8.33

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Solution

The fourth proportional to 9.26, 13.94 and 8.33 is: 12.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.26 : 13.94 = 8.33 : x
  2. Step 2: Convert to fraction form
    9.26/13.94 = 8.33/x
  3. Step 3: Cross multiply
    9.26x = 13.94 × 8.33
  4. Step 4: Simplify right side
    9.26x = 116.17
  5. Step 5: Solve for x
    x = 116.17/9.26
  6. Step 6: Final answer
    x = 12.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.