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Finding the Fourth Proportional to 3,493.45, 5,238.24 and 1,823.41

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Solution

The fourth proportional to 3,493.45, 5,238.24 and 1,823.41 is: 2,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.45 : 5,238.24 = 1,823.41 : x
  2. Step 2: Convert to fraction form
    3,493.45/5,238.24 = 1,823.41/x
  3. Step 3: Cross multiply
    3,493.45x = 5,238.24 × 1,823.41
  4. Step 4: Simplify right side
    3,493.45x = 9,551,459.20
  5. Step 5: Solve for x
    x = 9,551,459.20/3,493.45
  6. Step 6: Final answer
    x = 2,734.11

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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.