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Finding the Fourth Proportional to 24.72, 37.11 and 13.32

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Solution

The fourth proportional to 24.72, 37.11 and 13.32 is: 19.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.72 : 37.11 = 13.32 : x
  2. Step 2: Convert to fraction form
    24.72/37.11 = 13.32/x
  3. Step 3: Cross multiply
    24.72x = 37.11 × 13.32
  4. Step 4: Simplify right side
    24.72x = 494.24
  5. Step 5: Solve for x
    x = 494.24/24.72
  6. Step 6: Final answer
    x = 19.99

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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.