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Finding the Fourth Proportional to 3,831.22, 5,744.40 and 1,883.44

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Solution

The fourth proportional to 3,831.22, 5,744.40 and 1,883.44 is: 2,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.22 : 5,744.40 = 1,883.44 : x
  2. Step 2: Convert to fraction form
    3,831.22/5,744.40 = 1,883.44/x
  3. Step 3: Cross multiply
    3,831.22x = 5,744.40 × 1,883.44
  4. Step 4: Simplify right side
    3,831.22x = 10,819,232.74
  5. Step 5: Solve for x
    x = 10,819,232.74/3,831.22
  6. Step 6: Final answer
    x = 2,823.97

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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.