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Finding the Fourth Proportional to 17.82, 24.59 and 14.14

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Solution

The fourth proportional to 17.82, 24.59 and 14.14 is: 19.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.82 : 24.59 = 14.14 : x
  2. Step 2: Convert to fraction form
    17.82/24.59 = 14.14/x
  3. Step 3: Cross multiply
    17.82x = 24.59 × 14.14
  4. Step 4: Simplify right side
    17.82x = 347.51
  5. Step 5: Solve for x
    x = 347.51/17.82
  6. Step 6: Final answer
    x = 19.50

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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.