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Finding the Fourth Proportional to 25.53, 35.47 and 25.27

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Solution

The fourth proportional to 25.53, 35.47 and 25.27 is: 35.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.53 : 35.47 = 25.27 : x
  2. Step 2: Convert to fraction form
    25.53/35.47 = 25.27/x
  3. Step 3: Cross multiply
    25.53x = 35.47 × 25.27
  4. Step 4: Simplify right side
    25.53x = 896.15
  5. Step 5: Solve for x
    x = 896.15/25.53
  6. Step 6: Final answer
    x = 35.10

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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.