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Finding the Fourth Proportional to 15.67, 23.46 and 14.73

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Solution

The fourth proportional to 15.67, 23.46 and 14.73 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.67 : 23.46 = 14.73 : x
  2. Step 2: Convert to fraction form
    15.67/23.46 = 14.73/x
  3. Step 3: Cross multiply
    15.67x = 23.46 × 14.73
  4. Step 4: Simplify right side
    15.67x = 345.57
  5. Step 5: Solve for x
    x = 345.57/15.67
  6. Step 6: Final answer
    x = 22.05

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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.