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Finding the Fourth Proportional to 8,838.73, 13,255.29 and 2,993.97

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Solution

The fourth proportional to 8,838.73, 13,255.29 and 2,993.97 is: 4,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.73 : 13,255.29 = 2,993.97 : x
  2. Step 2: Convert to fraction form
    8,838.73/13,255.29 = 2,993.97/x
  3. Step 3: Cross multiply
    8,838.73x = 13,255.29 × 2,993.97
  4. Step 4: Simplify right side
    8,838.73x = 39,685,940.60
  5. Step 5: Solve for x
    x = 39,685,940.60/8,838.73
  6. Step 6: Final answer
    x = 4,490.01

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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.