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Finding the Fourth Proportional to 44.91, 67.35 and 34.74

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Solution

The fourth proportional to 44.91, 67.35 and 34.74 is: 52.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.91 : 67.35 = 34.74 : x
  2. Step 2: Convert to fraction form
    44.91/67.35 = 34.74/x
  3. Step 3: Cross multiply
    44.91x = 67.35 × 34.74
  4. Step 4: Simplify right side
    44.91x = 2,339.74
  5. Step 5: Solve for x
    x = 2,339.74/44.91
  6. Step 6: Final answer
    x = 52.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.