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Finding the Fourth Proportional to 11,273.56, 15,553.72 and 6,553.96

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Solution

The fourth proportional to 11,273.56, 15,553.72 and 6,553.96 is: 9,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.56 : 15,553.72 = 6,553.96 : x
  2. Step 2: Convert to fraction form
    11,273.56/15,553.72 = 6,553.96/x
  3. Step 3: Cross multiply
    11,273.56x = 15,553.72 × 6,553.96
  4. Step 4: Simplify right side
    11,273.56x = 101,938,458.73
  5. Step 5: Solve for x
    x = 101,938,458.73/11,273.56
  6. Step 6: Final answer
    x = 9,042.26

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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.