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Finding the Fourth Proportional to 6.33, 9.50 and 3.28

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Solution

The fourth proportional to 6.33, 9.50 and 3.28 is: 4.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.33 : 9.50 = 3.28 : x
  2. Step 2: Convert to fraction form
    6.33/9.50 = 3.28/x
  3. Step 3: Cross multiply
    6.33x = 9.50 × 3.28
  4. Step 4: Simplify right side
    6.33x = 31.16
  5. Step 5: Solve for x
    x = 31.16/6.33
  6. Step 6: Final answer
    x = 4.92

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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.