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Finding the Fourth Proportional to 3,591.48, 4,955.82 and 2,019.48

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Solution

The fourth proportional to 3,591.48, 4,955.82 and 2,019.48 is: 2,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.48 : 4,955.82 = 2,019.48 : x
  2. Step 2: Convert to fraction form
    3,591.48/4,955.82 = 2,019.48/x
  3. Step 3: Cross multiply
    3,591.48x = 4,955.82 × 2,019.48
  4. Step 4: Simplify right side
    3,591.48x = 10,008,179.37
  5. Step 5: Solve for x
    x = 10,008,179.37/3,591.48
  6. Step 6: Final answer
    x = 2,786.64

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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.