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Finding the Fourth Proportional to 3,797.68, 5,697.60 and 1,200.64

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Solution

The fourth proportional to 3,797.68, 5,697.60 and 1,200.64 is: 1,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.68 : 5,697.60 = 1,200.64 : x
  2. Step 2: Convert to fraction form
    3,797.68/5,697.60 = 1,200.64/x
  3. Step 3: Cross multiply
    3,797.68x = 5,697.60 × 1,200.64
  4. Step 4: Simplify right side
    3,797.68x = 6,840,766.46
  5. Step 5: Solve for x
    x = 6,840,766.46/3,797.68
  6. Step 6: Final answer
    x = 1,801.30

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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.