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Finding the Fourth Proportional to 982.52, 1,473.96 and 801.52

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Solution

The fourth proportional to 982.52, 1,473.96 and 801.52 is: 1,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.52 : 1,473.96 = 801.52 : x
  2. Step 2: Convert to fraction form
    982.52/1,473.96 = 801.52/x
  3. Step 3: Cross multiply
    982.52x = 1,473.96 × 801.52
  4. Step 4: Simplify right side
    982.52x = 1,181,408.42
  5. Step 5: Solve for x
    x = 1,181,408.42/982.52
  6. Step 6: Final answer
    x = 1,202.43

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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.