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Finding the Fourth Proportional to 4,491.83, 6,737.74 and 1,371.85

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Solution

The fourth proportional to 4,491.83, 6,737.74 and 1,371.85 is: 2,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.83 : 6,737.74 = 1,371.85 : x
  2. Step 2: Convert to fraction form
    4,491.83/6,737.74 = 1,371.85/x
  3. Step 3: Cross multiply
    4,491.83x = 6,737.74 × 1,371.85
  4. Step 4: Simplify right side
    4,491.83x = 9,243,168.62
  5. Step 5: Solve for x
    x = 9,243,168.62/4,491.83
  6. Step 6: Final answer
    x = 2,057.77

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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.