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Finding the Fourth Proportional to 6,170.52, 8,515.85 and 3,651.36

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Solution

The fourth proportional to 6,170.52, 8,515.85 and 3,651.36 is: 5,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.52 : 8,515.85 = 3,651.36 : x
  2. Step 2: Convert to fraction form
    6,170.52/8,515.85 = 3,651.36/x
  3. Step 3: Cross multiply
    6,170.52x = 8,515.85 × 3,651.36
  4. Step 4: Simplify right side
    6,170.52x = 31,094,434.06
  5. Step 5: Solve for x
    x = 31,094,434.06/6,170.52
  6. Step 6: Final answer
    x = 5,039.19

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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.