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Finding the Fourth Proportional to 3,168.49, 4,372.35 and 1,841.98

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Solution

The fourth proportional to 3,168.49, 4,372.35 and 1,841.98 is: 2,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.49 : 4,372.35 = 1,841.98 : x
  2. Step 2: Convert to fraction form
    3,168.49/4,372.35 = 1,841.98/x
  3. Step 3: Cross multiply
    3,168.49x = 4,372.35 × 1,841.98
  4. Step 4: Simplify right side
    3,168.49x = 8,053,781.25
  5. Step 5: Solve for x
    x = 8,053,781.25/3,168.49
  6. Step 6: Final answer
    x = 2,541.84

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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.