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Finding the Fourth Proportional to 24.90, 37.37 and 12.08

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Solution

The fourth proportional to 24.90, 37.37 and 12.08 is: 18.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.90 : 37.37 = 12.08 : x
  2. Step 2: Convert to fraction form
    24.90/37.37 = 12.08/x
  3. Step 3: Cross multiply
    24.90x = 37.37 × 12.08
  4. Step 4: Simplify right side
    24.90x = 451.30
  5. Step 5: Solve for x
    x = 451.30/24.90
  6. Step 6: Final answer
    x = 18.12

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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.