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Finding the Fourth Proportional to 10,082.09, 13,912.98 and 5,605.94

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Solution

The fourth proportional to 10,082.09, 13,912.98 and 5,605.94 is: 7,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.09 : 13,912.98 = 5,605.94 : x
  2. Step 2: Convert to fraction form
    10,082.09/13,912.98 = 5,605.94/x
  3. Step 3: Cross multiply
    10,082.09x = 13,912.98 × 5,605.94
  4. Step 4: Simplify right side
    10,082.09x = 77,995,331.10
  5. Step 5: Solve for x
    x = 77,995,331.10/10,082.09
  6. Step 6: Final answer
    x = 7,736.03

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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.