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Finding the Fourth Proportional to 35.57, 49.10 and 25.23

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Solution

The fourth proportional to 35.57, 49.10 and 25.23 is: 34.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.57 : 49.10 = 25.23 : x
  2. Step 2: Convert to fraction form
    35.57/49.10 = 25.23/x
  3. Step 3: Cross multiply
    35.57x = 49.10 × 25.23
  4. Step 4: Simplify right side
    35.57x = 1,238.85
  5. Step 5: Solve for x
    x = 1,238.85/35.57
  6. Step 6: Final answer
    x = 34.83

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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.