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Finding the Fourth Proportional to 9,136.73, 13,694.04 and 4,449.71

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Solution

The fourth proportional to 9,136.73, 13,694.04 and 4,449.71 is: 6,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.73 : 13,694.04 = 4,449.71 : x
  2. Step 2: Convert to fraction form
    9,136.73/13,694.04 = 4,449.71/x
  3. Step 3: Cross multiply
    9,136.73x = 13,694.04 × 4,449.71
  4. Step 4: Simplify right side
    9,136.73x = 60,934,438.26
  5. Step 5: Solve for x
    x = 60,934,438.26/9,136.73
  6. Step 6: Final answer
    x = 6,669.18

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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.