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Finding the Fourth Proportional to 5,694.92, 8,540.72 and 1,996.46

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Solution

The fourth proportional to 5,694.92, 8,540.72 and 1,996.46 is: 2,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.92 : 8,540.72 = 1,996.46 : x
  2. Step 2: Convert to fraction form
    5,694.92/8,540.72 = 1,996.46/x
  3. Step 3: Cross multiply
    5,694.92x = 8,540.72 × 1,996.46
  4. Step 4: Simplify right side
    5,694.92x = 17,051,235.11
  5. Step 5: Solve for x
    x = 17,051,235.11/5,694.92
  6. Step 6: Final answer
    x = 2,994.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.