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Finding the Fourth Proportional to 39,163.88, 58,743.03 and 14,199.27

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Solution

The fourth proportional to 39,163.88, 58,743.03 and 14,199.27 is: 21,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.88 : 58,743.03 = 14,199.27 : x
  2. Step 2: Convert to fraction form
    39,163.88/58,743.03 = 14,199.27/x
  3. Step 3: Cross multiply
    39,163.88x = 58,743.03 × 14,199.27
  4. Step 4: Simplify right side
    39,163.88x = 834,108,143.59
  5. Step 5: Solve for x
    x = 834,108,143.59/39,163.88
  6. Step 6: Final answer
    x = 21,297.90

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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.