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Finding the Fourth Proportional to 37.91, 52.26 and 34.83

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Solution

The fourth proportional to 37.91, 52.26 and 34.83 is: 48.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.91 : 52.26 = 34.83 : x
  2. Step 2: Convert to fraction form
    37.91/52.26 = 34.83/x
  3. Step 3: Cross multiply
    37.91x = 52.26 × 34.83
  4. Step 4: Simplify right side
    37.91x = 1,820.22
  5. Step 5: Solve for x
    x = 1,820.22/37.91
  6. Step 6: Final answer
    x = 48.02

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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.