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Finding the Fourth Proportional to 38.22, 52.73 and 23.67

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Solution

The fourth proportional to 38.22, 52.73 and 23.67 is: 32.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.22 : 52.73 = 23.67 : x
  2. Step 2: Convert to fraction form
    38.22/52.73 = 23.67/x
  3. Step 3: Cross multiply
    38.22x = 52.73 × 23.67
  4. Step 4: Simplify right side
    38.22x = 1,248.00
  5. Step 5: Solve for x
    x = 1,248.00/38.22
  6. Step 6: Final answer
    x = 32.65

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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.