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Finding the Fourth Proportional to 1,994.44, 2,753.07 and 1,713.55

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Solution

The fourth proportional to 1,994.44, 2,753.07 and 1,713.55 is: 2,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.44 : 2,753.07 = 1,713.55 : x
  2. Step 2: Convert to fraction form
    1,994.44/2,753.07 = 1,713.55/x
  3. Step 3: Cross multiply
    1,994.44x = 2,753.07 × 1,713.55
  4. Step 4: Simplify right side
    1,994.44x = 4,717,523.10
  5. Step 5: Solve for x
    x = 4,717,523.10/1,994.44
  6. Step 6: Final answer
    x = 2,365.34

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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.