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Finding the Fourth Proportional to 2,789.79, 3,846.06 and 2,703.53

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Solution

The fourth proportional to 2,789.79, 3,846.06 and 2,703.53 is: 3,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.79 : 3,846.06 = 2,703.53 : x
  2. Step 2: Convert to fraction form
    2,789.79/3,846.06 = 2,703.53/x
  3. Step 3: Cross multiply
    2,789.79x = 3,846.06 × 2,703.53
  4. Step 4: Simplify right side
    2,789.79x = 10,397,919.36
  5. Step 5: Solve for x
    x = 10,397,919.36/2,789.79
  6. Step 6: Final answer
    x = 3,727.13

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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.