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Finding the Fourth Proportional to 3,073.98, 4,242.08 and 1,676.73

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Solution

The fourth proportional to 3,073.98, 4,242.08 and 1,676.73 is: 2,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.98 : 4,242.08 = 1,676.73 : x
  2. Step 2: Convert to fraction form
    3,073.98/4,242.08 = 1,676.73/x
  3. Step 3: Cross multiply
    3,073.98x = 4,242.08 × 1,676.73
  4. Step 4: Simplify right side
    3,073.98x = 7,112,814.41
  5. Step 5: Solve for x
    x = 7,112,814.41/3,073.98
  6. Step 6: Final answer
    x = 2,313.88

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