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Finding the Fourth Proportional to 1,998.22, 2,753.04 and 1,473.34

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Solution

The fourth proportional to 1,998.22, 2,753.04 and 1,473.34 is: 2,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.22 : 2,753.04 = 1,473.34 : x
  2. Step 2: Convert to fraction form
    1,998.22/2,753.04 = 1,473.34/x
  3. Step 3: Cross multiply
    1,998.22x = 2,753.04 × 1,473.34
  4. Step 4: Simplify right side
    1,998.22x = 4,056,163.95
  5. Step 5: Solve for x
    x = 4,056,163.95/1,998.22
  6. Step 6: Final answer
    x = 2,029.89

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1.5x scale

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.