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Finding the Fourth Proportional to 4,401, 6,604.38 and 1,665

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Solution

The fourth proportional to 4,401, 6,604.38 and 1,665 is: 2,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401 : 6,604.38 = 1,665 : x
  2. Step 2: Convert to fraction form
    4,401/6,604.38 = 1,665/x
  3. Step 3: Cross multiply
    4,401x = 6,604.38 × 1,665
  4. Step 4: Simplify right side
    4,401x = 10,996,292.70
  5. Step 5: Solve for x
    x = 10,996,292.70/4,401
  6. Step 6: Final answer
    x = 2,498.59

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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.