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Finding the Fourth Proportional to 15,902.54, 21,944.49 and 8,828.96

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Solution

The fourth proportional to 15,902.54, 21,944.49 and 8,828.96 is: 12,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.54 : 21,944.49 = 8,828.96 : x
  2. Step 2: Convert to fraction form
    15,902.54/21,944.49 = 8,828.96/x
  3. Step 3: Cross multiply
    15,902.54x = 21,944.49 × 8,828.96
  4. Step 4: Simplify right side
    15,902.54x = 193,747,024.43
  5. Step 5: Solve for x
    x = 193,747,024.43/15,902.54
  6. Step 6: Final answer
    x = 12,183.40

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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.