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Finding the Fourth Proportional to 23.37, 32.25 and 13.67

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Solution

The fourth proportional to 23.37, 32.25 and 13.67 is: 18.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.37 : 32.25 = 13.67 : x
  2. Step 2: Convert to fraction form
    23.37/32.25 = 13.67/x
  3. Step 3: Cross multiply
    23.37x = 32.25 × 13.67
  4. Step 4: Simplify right side
    23.37x = 440.70
  5. Step 5: Solve for x
    x = 440.70/23.37
  6. Step 6: Final answer
    x = 18.86

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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.