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Finding the Fourth Proportional to 24.15, 36.22 and 6.11

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Solution

The fourth proportional to 24.15, 36.22 and 6.11 is: 9.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.15 : 36.22 = 6.11 : x
  2. Step 2: Convert to fraction form
    24.15/36.22 = 6.11/x
  3. Step 3: Cross multiply
    24.15x = 36.22 × 6.11
  4. Step 4: Simplify right side
    24.15x = 221.31
  5. Step 5: Solve for x
    x = 221.31/24.15
  6. Step 6: Final answer
    x = 9.17

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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.