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Finding the Fourth Proportional to 2,796.96, 4,194.90 and 1,337.88

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Solution

The fourth proportional to 2,796.96, 4,194.90 and 1,337.88 is: 2,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.96 : 4,194.90 = 1,337.88 : x
  2. Step 2: Convert to fraction form
    2,796.96/4,194.90 = 1,337.88/x
  3. Step 3: Cross multiply
    2,796.96x = 4,194.90 × 1,337.88
  4. Step 4: Simplify right side
    2,796.96x = 5,612,272.81
  5. Step 5: Solve for x
    x = 5,612,272.81/2,796.96
  6. Step 6: Final answer
    x = 2,006.56

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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.