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Finding the Fourth Proportional to 25.43, 35.08 and 17.14

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Solution

The fourth proportional to 25.43, 35.08 and 17.14 is: 23.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.43 : 35.08 = 17.14 : x
  2. Step 2: Convert to fraction form
    25.43/35.08 = 17.14/x
  3. Step 3: Cross multiply
    25.43x = 35.08 × 17.14
  4. Step 4: Simplify right side
    25.43x = 601.27
  5. Step 5: Solve for x
    x = 601.27/25.43
  6. Step 6: Final answer
    x = 23.64

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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.