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Finding the Fourth Proportional to 7,932.87, 10,936.22 and 5,690.99

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Solution

The fourth proportional to 7,932.87, 10,936.22 and 5,690.99 is: 7,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.87 : 10,936.22 = 5,690.99 : x
  2. Step 2: Convert to fraction form
    7,932.87/10,936.22 = 5,690.99/x
  3. Step 3: Cross multiply
    7,932.87x = 10,936.22 × 5,690.99
  4. Step 4: Simplify right side
    7,932.87x = 62,237,917.54
  5. Step 5: Solve for x
    x = 62,237,917.54/7,932.87
  6. Step 6: Final answer
    x = 7,845.57

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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.