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Finding the Fourth Proportional to 8,608.24, 11,879.22 and 4,831.41

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Solution

The fourth proportional to 8,608.24, 11,879.22 and 4,831.41 is: 6,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.24 : 11,879.22 = 4,831.41 : x
  2. Step 2: Convert to fraction form
    8,608.24/11,879.22 = 4,831.41/x
  3. Step 3: Cross multiply
    8,608.24x = 11,879.22 × 4,831.41
  4. Step 4: Simplify right side
    8,608.24x = 57,393,382.30
  5. Step 5: Solve for x
    x = 57,393,382.30/8,608.24
  6. Step 6: Final answer
    x = 6,667.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.