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Finding the Fourth Proportional to 2,961.94, 4,448.94 and 2,863.51

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Solution

The fourth proportional to 2,961.94, 4,448.94 and 2,863.51 is: 4,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.94 : 4,448.94 = 2,863.51 : x
  2. Step 2: Convert to fraction form
    2,961.94/4,448.94 = 2,863.51/x
  3. Step 3: Cross multiply
    2,961.94x = 4,448.94 × 2,863.51
  4. Step 4: Simplify right side
    2,961.94x = 12,739,584.18
  5. Step 5: Solve for x
    x = 12,739,584.18/2,961.94
  6. Step 6: Final answer
    x = 4,301.09

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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.