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Finding the Fourth Proportional to 46.27, 69.28 and 41.74

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Solution

The fourth proportional to 46.27, 69.28 and 41.74 is: 62.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.27 : 69.28 = 41.74 : x
  2. Step 2: Convert to fraction form
    46.27/69.28 = 41.74/x
  3. Step 3: Cross multiply
    46.27x = 69.28 × 41.74
  4. Step 4: Simplify right side
    46.27x = 2,891.75
  5. Step 5: Solve for x
    x = 2,891.75/46.27
  6. Step 6: Final answer
    x = 62.50

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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.