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Finding the Fourth Proportional to 16,912.49, 25,362.47 and 5,816.12

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Solution

The fourth proportional to 16,912.49, 25,362.47 and 5,816.12 is: 8,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.49 : 25,362.47 = 5,816.12 : x
  2. Step 2: Convert to fraction form
    16,912.49/25,362.47 = 5,816.12/x
  3. Step 3: Cross multiply
    16,912.49x = 25,362.47 × 5,816.12
  4. Step 4: Simplify right side
    16,912.49x = 147,511,056.74
  5. Step 5: Solve for x
    x = 147,511,056.74/16,912.49
  6. Step 6: Final answer
    x = 8,722.02

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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.