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Finding the Fourth Proportional to 216.52, 324.76 and 62.44

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Solution

The fourth proportional to 216.52, 324.76 and 62.44 is: 93.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.52 : 324.76 = 62.44 : x
  2. Step 2: Convert to fraction form
    216.52/324.76 = 62.44/x
  3. Step 3: Cross multiply
    216.52x = 324.76 × 62.44
  4. Step 4: Simplify right side
    216.52x = 20,278.01
  5. Step 5: Solve for x
    x = 20,278.01/216.52
  6. Step 6: Final answer
    x = 93.65

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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.