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Finding the Fourth Proportional to 62,163.83, 93,245.66 and 28,865.69

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Solution

The fourth proportional to 62,163.83, 93,245.66 and 28,865.69 is: 43,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.83 : 93,245.66 = 28,865.69 : x
  2. Step 2: Convert to fraction form
    62,163.83/93,245.66 = 28,865.69/x
  3. Step 3: Cross multiply
    62,163.83x = 93,245.66 × 28,865.69
  4. Step 4: Simplify right side
    62,163.83x = 2,691,599,704.85
  5. Step 5: Solve for x
    x = 2,691,599,704.85/62,163.83
  6. Step 6: Final answer
    x = 43,298.49

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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.