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Finding the Fourth Proportional to 1,996.06, 2,994.90 and 1,764.40

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Solution

The fourth proportional to 1,996.06, 2,994.90 and 1,764.40 is: 2,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.06 : 2,994.90 = 1,764.40 : x
  2. Step 2: Convert to fraction form
    1,996.06/2,994.90 = 1,764.40/x
  3. Step 3: Cross multiply
    1,996.06x = 2,994.90 × 1,764.40
  4. Step 4: Simplify right side
    1,996.06x = 5,284,201.56
  5. Step 5: Solve for x
    x = 5,284,201.56/1,996.06
  6. Step 6: Final answer
    x = 2,647.32

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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.