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Finding the Fourth Proportional to 64,591.62, 89,136.48 and 37,371.53

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Solution

The fourth proportional to 64,591.62, 89,136.48 and 37,371.53 is: 51,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.62 : 89,136.48 = 37,371.53 : x
  2. Step 2: Convert to fraction form
    64,591.62/89,136.48 = 37,371.53/x
  3. Step 3: Cross multiply
    64,591.62x = 89,136.48 × 37,371.53
  4. Step 4: Simplify right side
    64,591.62x = 3,331,166,190.73
  5. Step 5: Solve for x
    x = 3,331,166,190.73/64,591.62
  6. Step 6: Final answer
    x = 51,572.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.