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Finding the Fourth Proportional to 25.35, 34.96 and 16.14

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Solution

The fourth proportional to 25.35, 34.96 and 16.14 is: 22.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.35 : 34.96 = 16.14 : x
  2. Step 2: Convert to fraction form
    25.35/34.96 = 16.14/x
  3. Step 3: Cross multiply
    25.35x = 34.96 × 16.14
  4. Step 4: Simplify right side
    25.35x = 564.25
  5. Step 5: Solve for x
    x = 564.25/25.35
  6. Step 6: Final answer
    x = 22.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.