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Finding the Fourth Proportional to 46.44, 69.30 and 41.76

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Solution

The fourth proportional to 46.44, 69.30 and 41.76 is: 62.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.44 : 69.30 = 41.76 : x
  2. Step 2: Convert to fraction form
    46.44/69.30 = 41.76/x
  3. Step 3: Cross multiply
    46.44x = 69.30 × 41.76
  4. Step 4: Simplify right side
    46.44x = 2,893.97
  5. Step 5: Solve for x
    x = 2,893.97/46.44
  6. Step 6: Final answer
    x = 62.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.