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Finding the Fourth Proportional to 17.44, 24.10 and 15.62

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Solution

The fourth proportional to 17.44, 24.10 and 15.62 is: 21.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.44 : 24.10 = 15.62 : x
  2. Step 2: Convert to fraction form
    17.44/24.10 = 15.62/x
  3. Step 3: Cross multiply
    17.44x = 24.10 × 15.62
  4. Step 4: Simplify right side
    17.44x = 376.44
  5. Step 5: Solve for x
    x = 376.44/17.44
  6. Step 6: Final answer
    x = 21.58

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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.