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Finding the Fourth Proportional to 2,711.34, 4,059 and 2,021.04

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Solution

The fourth proportional to 2,711.34, 4,059 and 2,021.04 is: 3,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.34 : 4,059 = 2,021.04 : x
  2. Step 2: Convert to fraction form
    2,711.34/4,059 = 2,021.04/x
  3. Step 3: Cross multiply
    2,711.34x = 4,059 × 2,021.04
  4. Step 4: Simplify right side
    2,711.34x = 8,203,401.36
  5. Step 5: Solve for x
    x = 8,203,401.36/2,711.34
  6. Step 6: Final answer
    x = 3,025.59

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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.