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Finding the Fourth Proportional to 10,141.22, 13,993.81 and 5,891.46

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Solution

The fourth proportional to 10,141.22, 13,993.81 and 5,891.46 is: 8,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.22 : 13,993.81 = 5,891.46 : x
  2. Step 2: Convert to fraction form
    10,141.22/13,993.81 = 5,891.46/x
  3. Step 3: Cross multiply
    10,141.22x = 13,993.81 × 5,891.46
  4. Step 4: Simplify right side
    10,141.22x = 82,443,957.13
  5. Step 5: Solve for x
    x = 82,443,957.13/10,141.22
  6. Step 6: Final answer
    x = 8,129.59

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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.