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Finding the Fourth Proportional to 24.22, 33.42 and 15.01

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Solution

The fourth proportional to 24.22, 33.42 and 15.01 is: 20.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.22 : 33.42 = 15.01 : x
  2. Step 2: Convert to fraction form
    24.22/33.42 = 15.01/x
  3. Step 3: Cross multiply
    24.22x = 33.42 × 15.01
  4. Step 4: Simplify right side
    24.22x = 501.63
  5. Step 5: Solve for x
    x = 501.63/24.22
  6. Step 6: Final answer
    x = 20.71

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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.