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Finding the Fourth Proportional to 3,003.69, 4,146.84 and 1,995.48

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Solution

The fourth proportional to 3,003.69, 4,146.84 and 1,995.48 is: 2,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.69 : 4,146.84 = 1,995.48 : x
  2. Step 2: Convert to fraction form
    3,003.69/4,146.84 = 1,995.48/x
  3. Step 3: Cross multiply
    3,003.69x = 4,146.84 × 1,995.48
  4. Step 4: Simplify right side
    3,003.69x = 8,274,936.28
  5. Step 5: Solve for x
    x = 8,274,936.28/3,003.69
  6. Step 6: Final answer
    x = 2,754.92

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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.