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Finding the Fourth Proportional to 3,449.52, 5,150.52 and 2,831.22

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Solution

The fourth proportional to 3,449.52, 5,150.52 and 2,831.22 is: 4,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.52 : 5,150.52 = 2,831.22 : x
  2. Step 2: Convert to fraction form
    3,449.52/5,150.52 = 2,831.22/x
  3. Step 3: Cross multiply
    3,449.52x = 5,150.52 × 2,831.22
  4. Step 4: Simplify right side
    3,449.52x = 14,582,255.23
  5. Step 5: Solve for x
    x = 14,582,255.23/3,449.52
  6. Step 6: Final answer
    x = 4,227.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.