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Finding the Fourth Proportional to 1,896.63, 2,844.11 and 741.57

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Solution

The fourth proportional to 1,896.63, 2,844.11 and 741.57 is: 1,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.63 : 2,844.11 = 741.57 : x
  2. Step 2: Convert to fraction form
    1,896.63/2,844.11 = 741.57/x
  3. Step 3: Cross multiply
    1,896.63x = 2,844.11 × 741.57
  4. Step 4: Simplify right side
    1,896.63x = 2,109,102.94
  5. Step 5: Solve for x
    x = 2,109,102.94/1,896.63
  6. Step 6: Final answer
    x = 1,112.03

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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.