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Finding the Fourth Proportional to 62.67, 86.49 and 46.26

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Solution

The fourth proportional to 62.67, 86.49 and 46.26 is: 63.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.67 : 86.49 = 46.26 : x
  2. Step 2: Convert to fraction form
    62.67/86.49 = 46.26/x
  3. Step 3: Cross multiply
    62.67x = 86.49 × 46.26
  4. Step 4: Simplify right side
    62.67x = 4,001.03
  5. Step 5: Solve for x
    x = 4,001.03/62.67
  6. Step 6: Final answer
    x = 63.84

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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.