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Finding the Fourth Proportional to 16.17, 24.13 and 15.63

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Solution

The fourth proportional to 16.17, 24.13 and 15.63 is: 23.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.17 : 24.13 = 15.63 : x
  2. Step 2: Convert to fraction form
    16.17/24.13 = 15.63/x
  3. Step 3: Cross multiply
    16.17x = 24.13 × 15.63
  4. Step 4: Simplify right side
    16.17x = 377.08
  5. Step 5: Solve for x
    x = 377.08/16.17
  6. Step 6: Final answer
    x = 23.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.