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Finding the Fourth Proportional to 1,896.96, 2,843.26 and 1,018.42

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Solution

The fourth proportional to 1,896.96, 2,843.26 and 1,018.42 is: 1,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.96 : 2,843.26 = 1,018.42 : x
  2. Step 2: Convert to fraction form
    1,896.96/2,843.26 = 1,018.42/x
  3. Step 3: Cross multiply
    1,896.96x = 2,843.26 × 1,018.42
  4. Step 4: Simplify right side
    1,896.96x = 2,895,632.85
  5. Step 5: Solve for x
    x = 2,895,632.85/1,896.96
  6. Step 6: Final answer
    x = 1,526.46

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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.