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Finding the Fourth Proportional to 4, 6.02 and 2.68

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Solution

The fourth proportional to 4, 6.02 and 2.68 is: 4.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4 : 6.02 = 2.68 : x
  2. Step 2: Convert to fraction form
    4/6.02 = 2.68/x
  3. Step 3: Cross multiply
    4x = 6.02 × 2.68
  4. Step 4: Simplify right side
    4x = 16.13
  5. Step 5: Solve for x
    x = 16.13/4
  6. Step 6: Final answer
    x = 4.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.