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Finding the Fourth Proportional to 2,367.84, 3,549.11 and 806.39

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Solution

The fourth proportional to 2,367.84, 3,549.11 and 806.39 is: 1,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.84 : 3,549.11 = 806.39 : x
  2. Step 2: Convert to fraction form
    2,367.84/3,549.11 = 806.39/x
  3. Step 3: Cross multiply
    2,367.84x = 3,549.11 × 806.39
  4. Step 4: Simplify right side
    2,367.84x = 2,861,945.04
  5. Step 5: Solve for x
    x = 2,861,945.04/2,367.84
  6. Step 6: Final answer
    x = 1,208.67

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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.