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Finding the Fourth Proportional to 63.94, 95.53 and 46.68

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Solution

The fourth proportional to 63.94, 95.53 and 46.68 is: 69.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.94 : 95.53 = 46.68 : x
  2. Step 2: Convert to fraction form
    63.94/95.53 = 46.68/x
  3. Step 3: Cross multiply
    63.94x = 95.53 × 46.68
  4. Step 4: Simplify right side
    63.94x = 4,458.95
  5. Step 5: Solve for x
    x = 4,458.95/63.94
  6. Step 6: Final answer
    x = 69.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.