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Finding the Fourth Proportional to 51,099.92, 76,550.16 and 28,845.92

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Solution

The fourth proportional to 51,099.92, 76,550.16 and 28,845.92 is: 43,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,099.92 : 76,550.16 = 28,845.92 : x
  2. Step 2: Convert to fraction form
    51,099.92/76,550.16 = 28,845.92/x
  3. Step 3: Cross multiply
    51,099.92x = 76,550.16 × 28,845.92
  4. Step 4: Simplify right side
    51,099.92x = 2,208,159,791.35
  5. Step 5: Solve for x
    x = 2,208,159,791.35/51,099.92
  6. Step 6: Final answer
    x = 43,212.59

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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.