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Finding the Fourth Proportional to 3,614.79, 4,984.86 and 2,198.70

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Solution

The fourth proportional to 3,614.79, 4,984.86 and 2,198.70 is: 3,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.79 : 4,984.86 = 2,198.70 : x
  2. Step 2: Convert to fraction form
    3,614.79/4,984.86 = 2,198.70/x
  3. Step 3: Cross multiply
    3,614.79x = 4,984.86 × 2,198.70
  4. Step 4: Simplify right side
    3,614.79x = 10,960,211.68
  5. Step 5: Solve for x
    x = 10,960,211.68/3,614.79
  6. Step 6: Final answer
    x = 3,032.05

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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.