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Finding the Fourth Proportional to 25.44, 35.34 and 25.10

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Solution

The fourth proportional to 25.44, 35.34 and 25.10 is: 34.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.44 : 35.34 = 25.10 : x
  2. Step 2: Convert to fraction form
    25.44/35.34 = 25.10/x
  3. Step 3: Cross multiply
    25.44x = 35.34 × 25.10
  4. Step 4: Simplify right side
    25.44x = 887.03
  5. Step 5: Solve for x
    x = 887.03/25.44
  6. Step 6: Final answer
    x = 34.87

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.