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Finding the Fourth Proportional to 24.22, 36.28 and 17.47

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Solution

The fourth proportional to 24.22, 36.28 and 17.47 is: 26.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.22 : 36.28 = 17.47 : x
  2. Step 2: Convert to fraction form
    24.22/36.28 = 17.47/x
  3. Step 3: Cross multiply
    24.22x = 36.28 × 17.47
  4. Step 4: Simplify right side
    24.22x = 633.81
  5. Step 5: Solve for x
    x = 633.81/24.22
  6. Step 6: Final answer
    x = 26.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.