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Finding the Fourth Proportional to 29,323.11, 43,984.63 and 7,136.49

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Solution

The fourth proportional to 29,323.11, 43,984.63 and 7,136.49 is: 10,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.11 : 43,984.63 = 7,136.49 : x
  2. Step 2: Convert to fraction form
    29,323.11/43,984.63 = 7,136.49/x
  3. Step 3: Cross multiply
    29,323.11x = 43,984.63 × 7,136.49
  4. Step 4: Simplify right side
    29,323.11x = 313,895,872.15
  5. Step 5: Solve for x
    x = 313,895,872.15/29,323.11
  6. Step 6: Final answer
    x = 10,704.73

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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.