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Finding the Fourth Proportional to 1,843.63, 2,763.63 and 1,020.17

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Solution

The fourth proportional to 1,843.63, 2,763.63 and 1,020.17 is: 1,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.63 : 2,763.63 = 1,020.17 : x
  2. Step 2: Convert to fraction form
    1,843.63/2,763.63 = 1,020.17/x
  3. Step 3: Cross multiply
    1,843.63x = 2,763.63 × 1,020.17
  4. Step 4: Simplify right side
    1,843.63x = 2,819,379.33
  5. Step 5: Solve for x
    x = 2,819,379.33/1,843.63
  6. Step 6: Final answer
    x = 1,529.26

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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.