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Finding the Fourth Proportional to 10,690.88, 14,755.23 and 5,974.25

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Solution

The fourth proportional to 10,690.88, 14,755.23 and 5,974.25 is: 8,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.88 : 14,755.23 = 5,974.25 : x
  2. Step 2: Convert to fraction form
    10,690.88/14,755.23 = 5,974.25/x
  3. Step 3: Cross multiply
    10,690.88x = 14,755.23 × 5,974.25
  4. Step 4: Simplify right side
    10,690.88x = 88,151,359.05
  5. Step 5: Solve for x
    x = 88,151,359.05/10,690.88
  6. Step 6: Final answer
    x = 8,245.48

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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.