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Finding the Fourth Proportional to 5,618.73, 7,753.82 and 3,260.82

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Solution

The fourth proportional to 5,618.73, 7,753.82 and 3,260.82 is: 4,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.73 : 7,753.82 = 3,260.82 : x
  2. Step 2: Convert to fraction form
    5,618.73/7,753.82 = 3,260.82/x
  3. Step 3: Cross multiply
    5,618.73x = 7,753.82 × 3,260.82
  4. Step 4: Simplify right side
    5,618.73x = 25,283,795.03
  5. Step 5: Solve for x
    x = 25,283,795.03/5,618.73
  6. Step 6: Final answer
    x = 4,499.91

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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.