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Finding the Fourth Proportional to 3,619.73, 4,995.18 and 2,047.73

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Solution

The fourth proportional to 3,619.73, 4,995.18 and 2,047.73 is: 2,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.73 : 4,995.18 = 2,047.73 : x
  2. Step 2: Convert to fraction form
    3,619.73/4,995.18 = 2,047.73/x
  3. Step 3: Cross multiply
    3,619.73x = 4,995.18 × 2,047.73
  4. Step 4: Simplify right side
    3,619.73x = 10,228,754.97
  5. Step 5: Solve for x
    x = 10,228,754.97/3,619.73
  6. Step 6: Final answer
    x = 2,825.84

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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.