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Finding the Fourth Proportional to 3,463.53, 5,195.30 and 866.47

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Solution

The fourth proportional to 3,463.53, 5,195.30 and 866.47 is: 1,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.53 : 5,195.30 = 866.47 : x
  2. Step 2: Convert to fraction form
    3,463.53/5,195.30 = 866.47/x
  3. Step 3: Cross multiply
    3,463.53x = 5,195.30 × 866.47
  4. Step 4: Simplify right side
    3,463.53x = 4,501,571.59
  5. Step 5: Solve for x
    x = 4,501,571.59/3,463.53
  6. Step 6: Final answer
    x = 1,299.71

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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.