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Finding the Fourth Proportional to 9,479.76, 13,076.42 and 5,936.82

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Solution

The fourth proportional to 9,479.76, 13,076.42 and 5,936.82 is: 8,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.76 : 13,076.42 = 5,936.82 : x
  2. Step 2: Convert to fraction form
    9,479.76/13,076.42 = 5,936.82/x
  3. Step 3: Cross multiply
    9,479.76x = 13,076.42 × 5,936.82
  4. Step 4: Simplify right side
    9,479.76x = 77,632,351.78
  5. Step 5: Solve for x
    x = 77,632,351.78/9,479.76
  6. Step 6: Final answer
    x = 8,189.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.