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Finding the Fourth Proportional to 9,806.82, 13,531.86 and 5,827.82

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Solution

The fourth proportional to 9,806.82, 13,531.86 and 5,827.82 is: 8,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,806.82 : 13,531.86 = 5,827.82 : x
  2. Step 2: Convert to fraction form
    9,806.82/13,531.86 = 5,827.82/x
  3. Step 3: Cross multiply
    9,806.82x = 13,531.86 × 5,827.82
  4. Step 4: Simplify right side
    9,806.82x = 78,861,244.35
  5. Step 5: Solve for x
    x = 78,861,244.35/9,806.82
  6. Step 6: Final answer
    x = 8,041.47

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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.