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Finding the Fourth Proportional to 46.65, 69.90 and 41.52

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Solution

The fourth proportional to 46.65, 69.90 and 41.52 is: 62.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.65 : 69.90 = 41.52 : x
  2. Step 2: Convert to fraction form
    46.65/69.90 = 41.52/x
  3. Step 3: Cross multiply
    46.65x = 69.90 × 41.52
  4. Step 4: Simplify right side
    46.65x = 2,902.25
  5. Step 5: Solve for x
    x = 2,902.25/46.65
  6. Step 6: Final answer
    x = 62.21

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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.