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Finding the Fourth Proportional to 1,837.26, 2,754.27 and 741.42

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Solution

The fourth proportional to 1,837.26, 2,754.27 and 741.42 is: 1,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.26 : 2,754.27 = 741.42 : x
  2. Step 2: Convert to fraction form
    1,837.26/2,754.27 = 741.42/x
  3. Step 3: Cross multiply
    1,837.26x = 2,754.27 × 741.42
  4. Step 4: Simplify right side
    1,837.26x = 2,042,070.86
  5. Step 5: Solve for x
    x = 2,042,070.86/1,837.26
  6. Step 6: Final answer
    x = 1,111.48

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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.