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Finding the Fourth Proportional to 4.67, 7.02 and 3.68

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Solution

The fourth proportional to 4.67, 7.02 and 3.68 is: 5.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.67 : 7.02 = 3.68 : x
  2. Step 2: Convert to fraction form
    4.67/7.02 = 3.68/x
  3. Step 3: Cross multiply
    4.67x = 7.02 × 3.68
  4. Step 4: Simplify right side
    4.67x = 25.83
  5. Step 5: Solve for x
    x = 25.83/4.67
  6. Step 6: Final answer
    x = 5.53

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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.