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Finding the Fourth Proportional to 6.33, 8.73 and 4.17

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Solution

The fourth proportional to 6.33, 8.73 and 4.17 is: 5.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.33 : 8.73 = 4.17 : x
  2. Step 2: Convert to fraction form
    6.33/8.73 = 4.17/x
  3. Step 3: Cross multiply
    6.33x = 8.73 × 4.17
  4. Step 4: Simplify right side
    6.33x = 36.40
  5. Step 5: Solve for x
    x = 36.40/6.33
  6. Step 6: Final answer
    x = 5.75

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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.