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Finding the Fourth Proportional to 23.42, 32.33 and 14.69

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Solution

The fourth proportional to 23.42, 32.33 and 14.69 is: 20.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.42 : 32.33 = 14.69 : x
  2. Step 2: Convert to fraction form
    23.42/32.33 = 14.69/x
  3. Step 3: Cross multiply
    23.42x = 32.33 × 14.69
  4. Step 4: Simplify right side
    23.42x = 475.05
  5. Step 5: Solve for x
    x = 475.05/23.42
  6. Step 6: Final answer
    x = 20.28

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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.