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Finding the Fourth Proportional to 11,010.76, 15,179.96 and 7,467.82

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Solution

The fourth proportional to 11,010.76, 15,179.96 and 7,467.82 is: 10,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.76 : 15,179.96 = 7,467.82 : x
  2. Step 2: Convert to fraction form
    11,010.76/15,179.96 = 7,467.82/x
  3. Step 3: Cross multiply
    11,010.76x = 15,179.96 × 7,467.82
  4. Step 4: Simplify right side
    11,010.76x = 113,361,189.61
  5. Step 5: Solve for x
    x = 113,361,189.61/11,010.76
  6. Step 6: Final answer
    x = 10,295.49

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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.