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Finding the Fourth Proportional to 17.03, 25.49 and 14.16

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Solution

The fourth proportional to 17.03, 25.49 and 14.16 is: 21.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.03 : 25.49 = 14.16 : x
  2. Step 2: Convert to fraction form
    17.03/25.49 = 14.16/x
  3. Step 3: Cross multiply
    17.03x = 25.49 × 14.16
  4. Step 4: Simplify right side
    17.03x = 360.94
  5. Step 5: Solve for x
    x = 360.94/17.03
  6. Step 6: Final answer
    x = 21.19

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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.