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Finding the Fourth Proportional to 24.09, 35.96 and 22.20

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Solution

The fourth proportional to 24.09, 35.96 and 22.20 is: 33.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.09 : 35.96 = 22.20 : x
  2. Step 2: Convert to fraction form
    24.09/35.96 = 22.20/x
  3. Step 3: Cross multiply
    24.09x = 35.96 × 22.20
  4. Step 4: Simplify right side
    24.09x = 798.31
  5. Step 5: Solve for x
    x = 798.31/24.09
  6. Step 6: Final answer
    x = 33.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.