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Finding the Fourth Proportional to 46.67, 64.42 and 33.56

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Solution

The fourth proportional to 46.67, 64.42 and 33.56 is: 46.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.67 : 64.42 = 33.56 : x
  2. Step 2: Convert to fraction form
    46.67/64.42 = 33.56/x
  3. Step 3: Cross multiply
    46.67x = 64.42 × 33.56
  4. Step 4: Simplify right side
    46.67x = 2,161.77
  5. Step 5: Solve for x
    x = 2,161.77/46.67
  6. Step 6: Final answer
    x = 46.33

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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.