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Finding the Fourth Proportional to 10,685.50, 14,745.72 and 5,969.82

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Solution

The fourth proportional to 10,685.50, 14,745.72 and 5,969.82 is: 8,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.50 : 14,745.72 = 5,969.82 : x
  2. Step 2: Convert to fraction form
    10,685.50/14,745.72 = 5,969.82/x
  3. Step 3: Cross multiply
    10,685.50x = 14,745.72 × 5,969.82
  4. Step 4: Simplify right side
    10,685.50x = 88,029,220.44
  5. Step 5: Solve for x
    x = 88,029,220.44/10,685.50
  6. Step 6: Final answer
    x = 8,238.19

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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.