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Finding the Fourth Proportional to 4,453.70, 6,682.81 and 1,823.14

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Solution

The fourth proportional to 4,453.70, 6,682.81 and 1,823.14 is: 2,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.70 : 6,682.81 = 1,823.14 : x
  2. Step 2: Convert to fraction form
    4,453.70/6,682.81 = 1,823.14/x
  3. Step 3: Cross multiply
    4,453.70x = 6,682.81 × 1,823.14
  4. Step 4: Simplify right side
    4,453.70x = 12,183,676.96
  5. Step 5: Solve for x
    x = 12,183,676.96/4,453.70
  6. Step 6: Final answer
    x = 2,735.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.