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Finding the Fourth Proportional to 33.33, 50.00 and 9.28

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Solution

The fourth proportional to 33.33, 50.00 and 9.28 is: 13.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.33 : 50.00 = 9.28 : x
  2. Step 2: Convert to fraction form
    33.33/50.00 = 9.28/x
  3. Step 3: Cross multiply
    33.33x = 50.00 × 9.28
  4. Step 4: Simplify right side
    33.33x = 464.07
  5. Step 5: Solve for x
    x = 464.07/33.33
  6. Step 6: Final answer
    x = 13.92

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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.