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Finding the Fourth Proportional to 25.11, 37.65 and 14.95

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Solution

The fourth proportional to 25.11, 37.65 and 14.95 is: 22.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.11 : 37.65 = 14.95 : x
  2. Step 2: Convert to fraction form
    25.11/37.65 = 14.95/x
  3. Step 3: Cross multiply
    25.11x = 37.65 × 14.95
  4. Step 4: Simplify right side
    25.11x = 562.87
  5. Step 5: Solve for x
    x = 562.87/25.11
  6. Step 6: Final answer
    x = 22.42

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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.