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Finding the Fourth Proportional to 8,061.92, 11,129.88 and 5,935.64

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Solution

The fourth proportional to 8,061.92, 11,129.88 and 5,935.64 is: 8,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.92 : 11,129.88 = 5,935.64 : x
  2. Step 2: Convert to fraction form
    8,061.92/11,129.88 = 5,935.64/x
  3. Step 3: Cross multiply
    8,061.92x = 11,129.88 × 5,935.64
  4. Step 4: Simplify right side
    8,061.92x = 66,062,960.92
  5. Step 5: Solve for x
    x = 66,062,960.92/8,061.92
  6. Step 6: Final answer
    x = 8,194.45

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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.