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Finding the Fourth Proportional to 33,831.45, 50,743.53 and 8,874

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Solution

The fourth proportional to 33,831.45, 50,743.53 and 8,874 is: 13,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.45 : 50,743.53 = 8,874 : x
  2. Step 2: Convert to fraction form
    33,831.45/50,743.53 = 8,874/x
  3. Step 3: Cross multiply
    33,831.45x = 50,743.53 × 8,874
  4. Step 4: Simplify right side
    33,831.45x = 450,298,085.22
  5. Step 5: Solve for x
    x = 450,298,085.22/33,831.45
  6. Step 6: Final answer
    x = 13,310.04

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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.