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Finding the Fourth Proportional to 16,463.39, 22,719.50 and 8,909.73

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Solution

The fourth proportional to 16,463.39, 22,719.50 and 8,909.73 is: 12,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.39 : 22,719.50 = 8,909.73 : x
  2. Step 2: Convert to fraction form
    16,463.39/22,719.50 = 8,909.73/x
  3. Step 3: Cross multiply
    16,463.39x = 22,719.50 × 8,909.73
  4. Step 4: Simplify right side
    16,463.39x = 202,424,610.74
  5. Step 5: Solve for x
    x = 202,424,610.74/16,463.39
  6. Step 6: Final answer
    x = 12,295.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.