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Finding the Fourth Proportional to 994.52, 1,367.88 and 797.60

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Solution

The fourth proportional to 994.52, 1,367.88 and 797.60 is: 1,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.52 : 1,367.88 = 797.60 : x
  2. Step 2: Convert to fraction form
    994.52/1,367.88 = 797.60/x
  3. Step 3: Cross multiply
    994.52x = 1,367.88 × 797.60
  4. Step 4: Simplify right side
    994.52x = 1,091,021.52
  5. Step 5: Solve for x
    x = 1,091,021.52/994.52
  6. Step 6: Final answer
    x = 1,097.03

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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.