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Finding the Fourth Proportional to 17.73, 24.47 and 10.45

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Solution

The fourth proportional to 17.73, 24.47 and 10.45 is: 14.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.73 : 24.47 = 10.45 : x
  2. Step 2: Convert to fraction form
    17.73/24.47 = 10.45/x
  3. Step 3: Cross multiply
    17.73x = 24.47 × 10.45
  4. Step 4: Simplify right side
    17.73x = 255.71
  5. Step 5: Solve for x
    x = 255.71/17.73
  6. Step 6: Final answer
    x = 14.42

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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.