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Finding the Fourth Proportional to 41.22, 56.56 and 41.04

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Solution

The fourth proportional to 41.22, 56.56 and 41.04 is: 56.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.22 : 56.56 = 41.04 : x
  2. Step 2: Convert to fraction form
    41.22/56.56 = 41.04/x
  3. Step 3: Cross multiply
    41.22x = 56.56 × 41.04
  4. Step 4: Simplify right side
    41.22x = 2,321.22
  5. Step 5: Solve for x
    x = 2,321.22/41.22
  6. Step 6: Final answer
    x = 56.31

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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.