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Finding the Fourth Proportional to 3,709.99, 5,549.19 and 2,723.41

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Solution

The fourth proportional to 3,709.99, 5,549.19 and 2,723.41 is: 4,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.99 : 5,549.19 = 2,723.41 : x
  2. Step 2: Convert to fraction form
    3,709.99/5,549.19 = 2,723.41/x
  3. Step 3: Cross multiply
    3,709.99x = 5,549.19 × 2,723.41
  4. Step 4: Simplify right side
    3,709.99x = 15,112,719.54
  5. Step 5: Solve for x
    x = 15,112,719.54/3,709.99
  6. Step 6: Final answer
    x = 4,073.52

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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.