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Finding the Fourth Proportional to 6,841.52, 10,255.68 and 3,146.28

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Solution

The fourth proportional to 6,841.52, 10,255.68 and 3,146.28 is: 4,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.52 : 10,255.68 = 3,146.28 : x
  2. Step 2: Convert to fraction form
    6,841.52/10,255.68 = 3,146.28/x
  3. Step 3: Cross multiply
    6,841.52x = 10,255.68 × 3,146.28
  4. Step 4: Simplify right side
    6,841.52x = 32,267,240.87
  5. Step 5: Solve for x
    x = 32,267,240.87/6,841.52
  6. Step 6: Final answer
    x = 4,716.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.