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Finding the Fourth Proportional to 24.63, 33.97 and 16.45

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Solution

The fourth proportional to 24.63, 33.97 and 16.45 is: 22.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.63 : 33.97 = 16.45 : x
  2. Step 2: Convert to fraction form
    24.63/33.97 = 16.45/x
  3. Step 3: Cross multiply
    24.63x = 33.97 × 16.45
  4. Step 4: Simplify right side
    24.63x = 558.81
  5. Step 5: Solve for x
    x = 558.81/24.63
  6. Step 6: Final answer
    x = 22.69

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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.