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Finding the Fourth Proportional to 9.27, 13.92 and 8.01

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Solution

The fourth proportional to 9.27, 13.92 and 8.01 is: 12.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.27 : 13.92 = 8.01 : x
  2. Step 2: Convert to fraction form
    9.27/13.92 = 8.01/x
  3. Step 3: Cross multiply
    9.27x = 13.92 × 8.01
  4. Step 4: Simplify right side
    9.27x = 111.50
  5. Step 5: Solve for x
    x = 111.50/9.27
  6. Step 6: Final answer
    x = 12.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.