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Finding the Fourth Proportional to 11,900.93, 17,850.03 and 3,136.52

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Solution

The fourth proportional to 11,900.93, 17,850.03 and 3,136.52 is: 4,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.93 : 17,850.03 = 3,136.52 : x
  2. Step 2: Convert to fraction form
    11,900.93/17,850.03 = 3,136.52/x
  3. Step 3: Cross multiply
    11,900.93x = 17,850.03 × 3,136.52
  4. Step 4: Simplify right side
    11,900.93x = 55,987,026.60
  5. Step 5: Solve for x
    x = 55,987,026.60/11,900.93
  6. Step 6: Final answer
    x = 4,704.43

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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.