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Finding the Fourth Proportional to 8.27, 11.42 and 5.98

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Solution

The fourth proportional to 8.27, 11.42 and 5.98 is: 8.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.27 : 11.42 = 5.98 : x
  2. Step 2: Convert to fraction form
    8.27/11.42 = 5.98/x
  3. Step 3: Cross multiply
    8.27x = 11.42 × 5.98
  4. Step 4: Simplify right side
    8.27x = 68.29
  5. Step 5: Solve for x
    x = 68.29/8.27
  6. Step 6: Final answer
    x = 8.26

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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.