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Finding the Fourth Proportional to 1,832.47, 2,745.25 and 906.96

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Solution

The fourth proportional to 1,832.47, 2,745.25 and 906.96 is: 1,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.47 : 2,745.25 = 906.96 : x
  2. Step 2: Convert to fraction form
    1,832.47/2,745.25 = 906.96/x
  3. Step 3: Cross multiply
    1,832.47x = 2,745.25 × 906.96
  4. Step 4: Simplify right side
    1,832.47x = 2,489,831.94
  5. Step 5: Solve for x
    x = 2,489,831.94/1,832.47
  6. Step 6: Final answer
    x = 1,358.73

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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.