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Finding the Fourth Proportional to 4,983.77, 7,472.17 and 2,208.94

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Solution

The fourth proportional to 4,983.77, 7,472.17 and 2,208.94 is: 3,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.77 : 7,472.17 = 2,208.94 : x
  2. Step 2: Convert to fraction form
    4,983.77/7,472.17 = 2,208.94/x
  3. Step 3: Cross multiply
    4,983.77x = 7,472.17 × 2,208.94
  4. Step 4: Simplify right side
    4,983.77x = 16,505,575.20
  5. Step 5: Solve for x
    x = 16,505,575.20/4,983.77
  6. Step 6: Final answer
    x = 3,311.87

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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.