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Finding the Fourth Proportional to 9.32, 12.76 and 9.27

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Solution

The fourth proportional to 9.32, 12.76 and 9.27 is: 12.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.32 : 12.76 = 9.27 : x
  2. Step 2: Convert to fraction form
    9.32/12.76 = 9.27/x
  3. Step 3: Cross multiply
    9.32x = 12.76 × 9.27
  4. Step 4: Simplify right side
    9.32x = 118.26
  5. Step 5: Solve for x
    x = 118.26/9.32
  6. Step 6: Final answer
    x = 12.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.