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Finding the Fourth Proportional to 8,993.37, 13,453.92 and 7,773.87

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Solution

The fourth proportional to 8,993.37, 13,453.92 and 7,773.87 is: 11,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.37 : 13,453.92 = 7,773.87 : x
  2. Step 2: Convert to fraction form
    8,993.37/13,453.92 = 7,773.87/x
  3. Step 3: Cross multiply
    8,993.37x = 13,453.92 × 7,773.87
  4. Step 4: Simplify right side
    8,993.37x = 104,589,025.07
  5. Step 5: Solve for x
    x = 104,589,025.07/8,993.37
  6. Step 6: Final answer
    x = 11,629.57

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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.