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Finding the Fourth Proportional to 994.02, 1,367.73 and 968.58

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Solution

The fourth proportional to 994.02, 1,367.73 and 968.58 is: 1,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.02 : 1,367.73 = 968.58 : x
  2. Step 2: Convert to fraction form
    994.02/1,367.73 = 968.58/x
  3. Step 3: Cross multiply
    994.02x = 1,367.73 × 968.58
  4. Step 4: Simplify right side
    994.02x = 1,324,755.92
  5. Step 5: Solve for x
    x = 1,324,755.92/994.02
  6. Step 6: Final answer
    x = 1,332.73

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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.