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Finding the Fourth Proportional to 14.94, 22.50 and 11.97

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Solution

The fourth proportional to 14.94, 22.50 and 11.97 is: 18.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.94 : 22.50 = 11.97 : x
  2. Step 2: Convert to fraction form
    14.94/22.50 = 11.97/x
  3. Step 3: Cross multiply
    14.94x = 22.50 × 11.97
  4. Step 4: Simplify right side
    14.94x = 269.33
  5. Step 5: Solve for x
    x = 269.33/14.94
  6. Step 6: Final answer
    x = 18.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.