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Finding the Fourth Proportional to 2,555.25, 3,832.92 and 706.37

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Solution

The fourth proportional to 2,555.25, 3,832.92 and 706.37 is: 1,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.25 : 3,832.92 = 706.37 : x
  2. Step 2: Convert to fraction form
    2,555.25/3,832.92 = 706.37/x
  3. Step 3: Cross multiply
    2,555.25x = 3,832.92 × 706.37
  4. Step 4: Simplify right side
    2,555.25x = 2,707,462.10
  5. Step 5: Solve for x
    x = 2,707,462.10/2,555.25
  6. Step 6: Final answer
    x = 1,059.57

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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.