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Finding the Fourth Proportional to 25.93, 35.57 and 25.49

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Solution

The fourth proportional to 25.93, 35.57 and 25.49 is: 34.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.93 : 35.57 = 25.49 : x
  2. Step 2: Convert to fraction form
    25.93/35.57 = 25.49/x
  3. Step 3: Cross multiply
    25.93x = 35.57 × 25.49
  4. Step 4: Simplify right side
    25.93x = 906.55
  5. Step 5: Solve for x
    x = 906.55/25.93
  6. Step 6: Final answer
    x = 34.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.