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Finding the Fourth Proportional to 2,992.70, 4,489.05 and 801.37

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Solution

The fourth proportional to 2,992.70, 4,489.05 and 801.37 is: 1,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.70 : 4,489.05 = 801.37 : x
  2. Step 2: Convert to fraction form
    2,992.70/4,489.05 = 801.37/x
  3. Step 3: Cross multiply
    2,992.70x = 4,489.05 × 801.37
  4. Step 4: Simplify right side
    2,992.70x = 3,597,406.83
  5. Step 5: Solve for x
    x = 3,597,406.83/2,992.70
  6. Step 6: Final answer
    x = 1,202.06

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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.