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Finding the Fourth Proportional to 3,404.01, 4,698.05 and 2,078.49

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Solution

The fourth proportional to 3,404.01, 4,698.05 and 2,078.49 is: 2,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.01 : 4,698.05 = 2,078.49 : x
  2. Step 2: Convert to fraction form
    3,404.01/4,698.05 = 2,078.49/x
  3. Step 3: Cross multiply
    3,404.01x = 4,698.05 × 2,078.49
  4. Step 4: Simplify right side
    3,404.01x = 9,764,849.94
  5. Step 5: Solve for x
    x = 9,764,849.94/3,404.01
  6. Step 6: Final answer
    x = 2,868.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.