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Finding the Fourth Proportional to 2,267.68, 3,400.64 and 968.80

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Solution

The fourth proportional to 2,267.68, 3,400.64 and 968.80 is: 1,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.68 : 3,400.64 = 968.80 : x
  2. Step 2: Convert to fraction form
    2,267.68/3,400.64 = 968.80/x
  3. Step 3: Cross multiply
    2,267.68x = 3,400.64 × 968.80
  4. Step 4: Simplify right side
    2,267.68x = 3,294,540.03
  5. Step 5: Solve for x
    x = 3,294,540.03/2,267.68
  6. Step 6: Final answer
    x = 1,452.82

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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.