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Finding the Fourth Proportional to 37.64, 51.91 and 34.04

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Solution

The fourth proportional to 37.64, 51.91 and 34.04 is: 46.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.64 : 51.91 = 34.04 : x
  2. Step 2: Convert to fraction form
    37.64/51.91 = 34.04/x
  3. Step 3: Cross multiply
    37.64x = 51.91 × 34.04
  4. Step 4: Simplify right side
    37.64x = 1,767.02
  5. Step 5: Solve for x
    x = 1,767.02/37.64
  6. Step 6: Final answer
    x = 46.95

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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.