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Finding the Fourth Proportional to 24.35, 33.45 and 23.22

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Solution

The fourth proportional to 24.35, 33.45 and 23.22 is: 31.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.35 : 33.45 = 23.22 : x
  2. Step 2: Convert to fraction form
    24.35/33.45 = 23.22/x
  3. Step 3: Cross multiply
    24.35x = 33.45 × 23.22
  4. Step 4: Simplify right side
    24.35x = 776.71
  5. Step 5: Solve for x
    x = 776.71/24.35
  6. Step 6: Final answer
    x = 31.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.