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Finding the Fourth Proportional to 2,992.71, 4,489.13 and 801.44

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Solution

The fourth proportional to 2,992.71, 4,489.13 and 801.44 is: 1,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.71 : 4,489.13 = 801.44 : x
  2. Step 2: Convert to fraction form
    2,992.71/4,489.13 = 801.44/x
  3. Step 3: Cross multiply
    2,992.71x = 4,489.13 × 801.44
  4. Step 4: Simplify right side
    2,992.71x = 3,597,741.89
  5. Step 5: Solve for x
    x = 3,597,741.89/2,992.71
  6. Step 6: Final answer
    x = 1,202.17

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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.