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Finding the Fourth Proportional to 3,711.79, 5,568.63 and 2,736.22

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Solution

The fourth proportional to 3,711.79, 5,568.63 and 2,736.22 is: 4,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.79 : 5,568.63 = 2,736.22 : x
  2. Step 2: Convert to fraction form
    3,711.79/5,568.63 = 2,736.22/x
  3. Step 3: Cross multiply
    3,711.79x = 5,568.63 × 2,736.22
  4. Step 4: Simplify right side
    3,711.79x = 15,236,955.25
  5. Step 5: Solve for x
    x = 15,236,955.25/3,711.79
  6. Step 6: Final answer
    x = 4,105.02

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Why These Related Problems?

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