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Finding the Fourth Proportional to 22.37, 33.56 and 7.93

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Solution

The fourth proportional to 22.37, 33.56 and 7.93 is: 11.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.37 : 33.56 = 7.93 : x
  2. Step 2: Convert to fraction form
    22.37/33.56 = 7.93/x
  3. Step 3: Cross multiply
    22.37x = 33.56 × 7.93
  4. Step 4: Simplify right side
    22.37x = 266.12
  5. Step 5: Solve for x
    x = 266.12/22.37
  6. Step 6: Final answer
    x = 11.90

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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.