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Finding the Fourth Proportional to 217.16, 325.65 and 63.03

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Solution

The fourth proportional to 217.16, 325.65 and 63.03 is: 94.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.16 : 325.65 = 63.03 : x
  2. Step 2: Convert to fraction form
    217.16/325.65 = 63.03/x
  3. Step 3: Cross multiply
    217.16x = 325.65 × 63.03
  4. Step 4: Simplify right side
    217.16x = 20,525.72
  5. Step 5: Solve for x
    x = 20,525.72/217.16
  6. Step 6: Final answer
    x = 94.52

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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.