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Finding the Fourth Proportional to 41.02, 56.34 and 35.48

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Solution

The fourth proportional to 41.02, 56.34 and 35.48 is: 48.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.02 : 56.34 = 35.48 : x
  2. Step 2: Convert to fraction form
    41.02/56.34 = 35.48/x
  3. Step 3: Cross multiply
    41.02x = 56.34 × 35.48
  4. Step 4: Simplify right side
    41.02x = 1,998.94
  5. Step 5: Solve for x
    x = 1,998.94/41.02
  6. Step 6: Final answer
    x = 48.73

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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.