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Finding the Fourth Proportional to 27.03, 40.49 and 14.97

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Solution

The fourth proportional to 27.03, 40.49 and 14.97 is: 22.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.03 : 40.49 = 14.97 : x
  2. Step 2: Convert to fraction form
    27.03/40.49 = 14.97/x
  3. Step 3: Cross multiply
    27.03x = 40.49 × 14.97
  4. Step 4: Simplify right side
    27.03x = 606.06
  5. Step 5: Solve for x
    x = 606.06/27.03
  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.