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Finding the Fourth Proportional to 5,591.52, 7,715.52 and 3,232.80

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Solution

The fourth proportional to 5,591.52, 7,715.52 and 3,232.80 is: 4,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.52 : 7,715.52 = 3,232.80 : x
  2. Step 2: Convert to fraction form
    5,591.52/7,715.52 = 3,232.80/x
  3. Step 3: Cross multiply
    5,591.52x = 7,715.52 × 3,232.80
  4. Step 4: Simplify right side
    5,591.52x = 24,942,733.06
  5. Step 5: Solve for x
    x = 24,942,733.06/5,591.52
  6. Step 6: Final answer
    x = 4,460.81

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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.