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Finding the Fourth Proportional to 16.63, 24.82 and 15.01

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Solution

The fourth proportional to 16.63, 24.82 and 15.01 is: 22.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.63 : 24.82 = 15.01 : x
  2. Step 2: Convert to fraction form
    16.63/24.82 = 15.01/x
  3. Step 3: Cross multiply
    16.63x = 24.82 × 15.01
  4. Step 4: Simplify right side
    16.63x = 372.55
  5. Step 5: Solve for x
    x = 372.55/16.63
  6. Step 6: Final answer
    x = 22.40

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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.