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Finding the Fourth Proportional to 69.41, 95.79 and 46.11

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Solution

The fourth proportional to 69.41, 95.79 and 46.11 is: 63.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.41 : 95.79 = 46.11 : x
  2. Step 2: Convert to fraction form
    69.41/95.79 = 46.11/x
  3. Step 3: Cross multiply
    69.41x = 95.79 × 46.11
  4. Step 4: Simplify right side
    69.41x = 4,417.41
  5. Step 5: Solve for x
    x = 4,417.41/69.41
  6. Step 6: Final answer
    x = 63.64

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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.