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Finding the Fourth Proportional to 1,896.93, 2,855.94 and 1,667.30

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Solution

The fourth proportional to 1,896.93, 2,855.94 and 1,667.30 is: 2,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.93 : 2,855.94 = 1,667.30 : x
  2. Step 2: Convert to fraction form
    1,896.93/2,855.94 = 1,667.30/x
  3. Step 3: Cross multiply
    1,896.93x = 2,855.94 × 1,667.30
  4. Step 4: Simplify right side
    1,896.93x = 4,761,694.48
  5. Step 5: Solve for x
    x = 4,761,694.48/1,896.93
  6. Step 6: Final answer
    x = 2,510.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.