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Finding the Fourth Proportional to 11,531.87, 17,298.49 and 3,634.63

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Solution

The fourth proportional to 11,531.87, 17,298.49 and 3,634.63 is: 5,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.87 : 17,298.49 = 3,634.63 : x
  2. Step 2: Convert to fraction form
    11,531.87/17,298.49 = 3,634.63/x
  3. Step 3: Cross multiply
    11,531.87x = 17,298.49 × 3,634.63
  4. Step 4: Simplify right side
    11,531.87x = 62,873,676.60
  5. Step 5: Solve for x
    x = 62,873,676.60/11,531.87
  6. Step 6: Final answer
    x = 5,452.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.