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Finding the Fourth Proportional to 24.62, 33.98 and 19.18

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Solution

The fourth proportional to 24.62, 33.98 and 19.18 is: 26.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.62 : 33.98 = 19.18 : x
  2. Step 2: Convert to fraction form
    24.62/33.98 = 19.18/x
  3. Step 3: Cross multiply
    24.62x = 33.98 × 19.18
  4. Step 4: Simplify right side
    24.62x = 651.74
  5. Step 5: Solve for x
    x = 651.74/24.62
  6. Step 6: Final answer
    x = 26.47

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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.