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Finding the Fourth Proportional to 24.19, 36.20 and 16.99

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Solution

The fourth proportional to 24.19, 36.20 and 16.99 is: 25.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.19 : 36.20 = 16.99 : x
  2. Step 2: Convert to fraction form
    24.19/36.20 = 16.99/x
  3. Step 3: Cross multiply
    24.19x = 36.20 × 16.99
  4. Step 4: Simplify right side
    24.19x = 614.99
  5. Step 5: Solve for x
    x = 614.99/24.19
  6. Step 6: Final answer
    x = 25.43

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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.