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Finding the Fourth Proportional to 23.44, 32.35 and 17.31

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Solution

The fourth proportional to 23.44, 32.35 and 17.31 is: 23.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.44 : 32.35 = 17.31 : x
  2. Step 2: Convert to fraction form
    23.44/32.35 = 17.31/x
  3. Step 3: Cross multiply
    23.44x = 32.35 × 17.31
  4. Step 4: Simplify right side
    23.44x = 560.09
  5. Step 5: Solve for x
    x = 560.09/23.44
  6. Step 6: Final answer
    x = 23.90

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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.