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Finding the Fourth Proportional to 61.66, 92.44 and 46.41

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Solution

The fourth proportional to 61.66, 92.44 and 46.41 is: 69.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.66 : 92.44 = 46.41 : x
  2. Step 2: Convert to fraction form
    61.66/92.44 = 46.41/x
  3. Step 3: Cross multiply
    61.66x = 92.44 × 46.41
  4. Step 4: Simplify right side
    61.66x = 4,290.14
  5. Step 5: Solve for x
    x = 4,290.14/61.66
  6. Step 6: Final answer
    x = 69.58

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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.