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Finding the Fourth Proportional to 66.97, 92.44 and 46.32

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Solution

The fourth proportional to 66.97, 92.44 and 46.32 is: 63.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.97 : 92.44 = 46.32 : x
  2. Step 2: Convert to fraction form
    66.97/92.44 = 46.32/x
  3. Step 3: Cross multiply
    66.97x = 92.44 × 46.32
  4. Step 4: Simplify right side
    66.97x = 4,281.82
  5. Step 5: Solve for x
    x = 4,281.82/66.97
  6. Step 6: Final answer
    x = 63.94

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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.