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Finding the Fourth Proportional to 7.96, 10.99 and 6.02

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Solution

The fourth proportional to 7.96, 10.99 and 6.02 is: 8.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.96 : 10.99 = 6.02 : x
  2. Step 2: Convert to fraction form
    7.96/10.99 = 6.02/x
  3. Step 3: Cross multiply
    7.96x = 10.99 × 6.02
  4. Step 4: Simplify right side
    7.96x = 66.20
  5. Step 5: Solve for x
    x = 66.20/7.96
  6. Step 6: Final answer
    x = 8.31

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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.