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Finding the Fourth Proportional to 24.95, 37.42 and 12.10

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Solution

The fourth proportional to 24.95, 37.42 and 12.10 is: 18.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.95 : 37.42 = 12.10 : x
  2. Step 2: Convert to fraction form
    24.95/37.42 = 12.10/x
  3. Step 3: Cross multiply
    24.95x = 37.42 × 12.10
  4. Step 4: Simplify right side
    24.95x = 452.72
  5. Step 5: Solve for x
    x = 452.72/24.95
  6. Step 6: Final answer
    x = 18.15

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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.