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Finding the Fourth Proportional to 3,289.95, 4,540.20 and 1,797.96

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Solution

The fourth proportional to 3,289.95, 4,540.20 and 1,797.96 is: 2,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.95 : 4,540.20 = 1,797.96 : x
  2. Step 2: Convert to fraction form
    3,289.95/4,540.20 = 1,797.96/x
  3. Step 3: Cross multiply
    3,289.95x = 4,540.20 × 1,797.96
  4. Step 4: Simplify right side
    3,289.95x = 8,163,097.99
  5. Step 5: Solve for x
    x = 8,163,097.99/3,289.95
  6. Step 6: Final answer
    x = 2,481.22

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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.