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Finding the Fourth Proportional to 3,673.57, 5,069.51 and 1,994.97

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Solution

The fourth proportional to 3,673.57, 5,069.51 and 1,994.97 is: 2,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.57 : 5,069.51 = 1,994.97 : x
  2. Step 2: Convert to fraction form
    3,673.57/5,069.51 = 1,994.97/x
  3. Step 3: Cross multiply
    3,673.57x = 5,069.51 × 1,994.97
  4. Step 4: Simplify right side
    3,673.57x = 10,113,520.36
  5. Step 5: Solve for x
    x = 10,113,520.36/3,673.57
  6. Step 6: Final answer
    x = 2,753.05

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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.