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Finding the Fourth Proportional to 6,500.66, 9,752.20 and 2,119.37

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Solution

The fourth proportional to 6,500.66, 9,752.20 and 2,119.37 is: 3,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.66 : 9,752.20 = 2,119.37 : x
  2. Step 2: Convert to fraction form
    6,500.66/9,752.20 = 2,119.37/x
  3. Step 3: Cross multiply
    6,500.66x = 9,752.20 × 2,119.37
  4. Step 4: Simplify right side
    6,500.66x = 20,668,466.05
  5. Step 5: Solve for x
    x = 20,668,466.05/6,500.66
  6. Step 6: Final answer
    x = 3,179.44

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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.