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Finding the Fourth Proportional to 24.17, 33.30 and 15.98

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Solution

The fourth proportional to 24.17, 33.30 and 15.98 is: 22.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.17 : 33.30 = 15.98 : x
  2. Step 2: Convert to fraction form
    24.17/33.30 = 15.98/x
  3. Step 3: Cross multiply
    24.17x = 33.30 × 15.98
  4. Step 4: Simplify right side
    24.17x = 531.97
  5. Step 5: Solve for x
    x = 531.97/24.17
  6. Step 6: Final answer
    x = 22.01

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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.