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Finding the Fourth Proportional to 5,375.09, 7,415.84 and 3,251.27

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Solution

The fourth proportional to 5,375.09, 7,415.84 and 3,251.27 is: 4,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.09 : 7,415.84 = 3,251.27 : x
  2. Step 2: Convert to fraction form
    5,375.09/7,415.84 = 3,251.27/x
  3. Step 3: Cross multiply
    5,375.09x = 7,415.84 × 3,251.27
  4. Step 4: Simplify right side
    5,375.09x = 24,110,844.78
  5. Step 5: Solve for x
    x = 24,110,844.78/5,375.09
  6. Step 6: Final answer
    x = 4,485.67

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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.