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Finding the Fourth Proportional to 8.01, 11.95 and 7.32

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Solution

The fourth proportional to 8.01, 11.95 and 7.32 is: 10.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.01 : 11.95 = 7.32 : x
  2. Step 2: Convert to fraction form
    8.01/11.95 = 7.32/x
  3. Step 3: Cross multiply
    8.01x = 11.95 × 7.32
  4. Step 4: Simplify right side
    8.01x = 87.44
  5. Step 5: Solve for x
    x = 87.44/8.01
  6. Step 6: Final answer
    x = 10.92

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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.