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Finding the Fourth Proportional to 7.33, 11.05 and 6.23

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Solution

The fourth proportional to 7.33, 11.05 and 6.23 is: 9.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.33 : 11.05 = 6.23 : x
  2. Step 2: Convert to fraction form
    7.33/11.05 = 6.23/x
  3. Step 3: Cross multiply
    7.33x = 11.05 × 6.23
  4. Step 4: Simplify right side
    7.33x = 68.84
  5. Step 5: Solve for x
    x = 68.84/7.33
  6. Step 6: Final answer
    x = 9.39

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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.