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Finding the Fourth Proportional to 9.26, 12.74 and 9.24

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Solution

The fourth proportional to 9.26, 12.74 and 9.24 is: 12.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.26 : 12.74 = 9.24 : x
  2. Step 2: Convert to fraction form
    9.26/12.74 = 9.24/x
  3. Step 3: Cross multiply
    9.26x = 12.74 × 9.24
  4. Step 4: Simplify right side
    9.26x = 117.72
  5. Step 5: Solve for x
    x = 117.72/9.26
  6. Step 6: Final answer
    x = 12.71

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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.