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Finding the Fourth Proportional to 7,468.72, 11,197.84 and 3,306.47

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Solution

The fourth proportional to 7,468.72, 11,197.84 and 3,306.47 is: 4,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.72 : 11,197.84 = 3,306.47 : x
  2. Step 2: Convert to fraction form
    7,468.72/11,197.84 = 3,306.47/x
  3. Step 3: Cross multiply
    7,468.72x = 11,197.84 × 3,306.47
  4. Step 4: Simplify right side
    7,468.72x = 37,025,324.63
  5. Step 5: Solve for x
    x = 37,025,324.63/7,468.72
  6. Step 6: Final answer
    x = 4,957.39

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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.