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Finding the Fourth Proportional to 7,786.89, 10,745.87 and 4,250.03

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Solution

The fourth proportional to 7,786.89, 10,745.87 and 4,250.03 is: 5,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.89 : 10,745.87 = 4,250.03 : x
  2. Step 2: Convert to fraction form
    7,786.89/10,745.87 = 4,250.03/x
  3. Step 3: Cross multiply
    7,786.89x = 10,745.87 × 4,250.03
  4. Step 4: Simplify right side
    7,786.89x = 45,670,194.90
  5. Step 5: Solve for x
    x = 45,670,194.90/7,786.89
  6. Step 6: Final answer
    x = 5,865.01

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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.