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Finding the Fourth Proportional to 2,651.73, 3,654.98 and 2,331.88

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Solution

The fourth proportional to 2,651.73, 3,654.98 and 2,331.88 is: 3,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.73 : 3,654.98 = 2,331.88 : x
  2. Step 2: Convert to fraction form
    2,651.73/3,654.98 = 2,331.88/x
  3. Step 3: Cross multiply
    2,651.73x = 3,654.98 × 2,331.88
  4. Step 4: Simplify right side
    2,651.73x = 8,522,962.71
  5. Step 5: Solve for x
    x = 8,522,962.71/2,651.73
  6. Step 6: Final answer
    x = 3,214.12

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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.