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Finding the Fourth Proportional to 3,168.60, 4,372.08 and 1,841.82

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Solution

The fourth proportional to 3,168.60, 4,372.08 and 1,841.82 is: 2,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.60 : 4,372.08 = 1,841.82 : x
  2. Step 2: Convert to fraction form
    3,168.60/4,372.08 = 1,841.82/x
  3. Step 3: Cross multiply
    3,168.60x = 4,372.08 × 1,841.82
  4. Step 4: Simplify right side
    3,168.60x = 8,052,584.39
  5. Step 5: Solve for x
    x = 8,052,584.39/3,168.60
  6. Step 6: Final answer
    x = 2,541.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.