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Finding the Fourth Proportional to 11,277.25, 16,917.03 and 3,880.73

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Solution

The fourth proportional to 11,277.25, 16,917.03 and 3,880.73 is: 5,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.25 : 16,917.03 = 3,880.73 : x
  2. Step 2: Convert to fraction form
    11,277.25/16,917.03 = 3,880.73/x
  3. Step 3: Cross multiply
    11,277.25x = 16,917.03 × 3,880.73
  4. Step 4: Simplify right side
    11,277.25x = 65,650,425.83
  5. Step 5: Solve for x
    x = 65,650,425.83/11,277.25
  6. Step 6: Final answer
    x = 5,821.49

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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.