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Finding the Fourth Proportional to 63.11, 94.75 and 46.10

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Solution

The fourth proportional to 63.11, 94.75 and 46.10 is: 69.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.11 : 94.75 = 46.10 : x
  2. Step 2: Convert to fraction form
    63.11/94.75 = 46.10/x
  3. Step 3: Cross multiply
    63.11x = 94.75 × 46.10
  4. Step 4: Simplify right side
    63.11x = 4,368.10
  5. Step 5: Solve for x
    x = 4,368.10/63.11
  6. Step 6: Final answer
    x = 69.21

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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.