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Finding the Fourth Proportional to 16,834.46, 25,243.42 and 9,620.78

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Solution

The fourth proportional to 16,834.46, 25,243.42 and 9,620.78 is: 14,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.46 : 25,243.42 = 9,620.78 : x
  2. Step 2: Convert to fraction form
    16,834.46/25,243.42 = 9,620.78/x
  3. Step 3: Cross multiply
    16,834.46x = 25,243.42 × 9,620.78
  4. Step 4: Simplify right side
    16,834.46x = 242,861,285.10
  5. Step 5: Solve for x
    x = 242,861,285.10/16,834.46
  6. Step 6: Final answer
    x = 14,426.44

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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.