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Finding the Fourth Proportional to 9,086.11, 13,629.13 and 2,512.28

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Solution

The fourth proportional to 9,086.11, 13,629.13 and 2,512.28 is: 3,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.11 : 13,629.13 = 2,512.28 : x
  2. Step 2: Convert to fraction form
    9,086.11/13,629.13 = 2,512.28/x
  3. Step 3: Cross multiply
    9,086.11x = 13,629.13 × 2,512.28
  4. Step 4: Simplify right side
    9,086.11x = 34,240,190.72
  5. Step 5: Solve for x
    x = 34,240,190.72/9,086.11
  6. Step 6: Final answer
    x = 3,768.41

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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.