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Finding the Fourth Proportional to 2,676.55, 3,693.09 and 1,836.95

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Solution

The fourth proportional to 2,676.55, 3,693.09 and 1,836.95 is: 2,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.55 : 3,693.09 = 1,836.95 : x
  2. Step 2: Convert to fraction form
    2,676.55/3,693.09 = 1,836.95/x
  3. Step 3: Cross multiply
    2,676.55x = 3,693.09 × 1,836.95
  4. Step 4: Simplify right side
    2,676.55x = 6,784,003.26
  5. Step 5: Solve for x
    x = 6,784,003.26/2,676.55
  6. Step 6: Final answer
    x = 2,534.61

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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.