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Finding the Fourth Proportional to 63.69, 95.54 and 43.35

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Solution

The fourth proportional to 63.69, 95.54 and 43.35 is: 65.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.69 : 95.54 = 43.35 : x
  2. Step 2: Convert to fraction form
    63.69/95.54 = 43.35/x
  3. Step 3: Cross multiply
    63.69x = 95.54 × 43.35
  4. Step 4: Simplify right side
    63.69x = 4,141.44
  5. Step 5: Solve for x
    x = 4,141.44/63.69
  6. Step 6: Final answer
    x = 65.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.