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Finding the Fourth Proportional to 46.67, 64.38 and 27.26

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Solution

The fourth proportional to 46.67, 64.38 and 27.26 is: 37.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.67 : 64.38 = 27.26 : x
  2. Step 2: Convert to fraction form
    46.67/64.38 = 27.26/x
  3. Step 3: Cross multiply
    46.67x = 64.38 × 27.26
  4. Step 4: Simplify right side
    46.67x = 1,754.68
  5. Step 5: Solve for x
    x = 1,754.68/46.67
  6. Step 6: Final answer
    x = 37.60

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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.