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Finding the Fourth Proportional to 22.55, 33.82 and 6.52

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Solution

The fourth proportional to 22.55, 33.82 and 6.52 is: 9.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.55 : 33.82 = 6.52 : x
  2. Step 2: Convert to fraction form
    22.55/33.82 = 6.52/x
  3. Step 3: Cross multiply
    22.55x = 33.82 × 6.52
  4. Step 4: Simplify right side
    22.55x = 220.37
  5. Step 5: Solve for x
    x = 220.37/22.55
  6. Step 6: Final answer
    x = 9.77

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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.