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Finding the Fourth Proportional to 4,803.82, 6,608.46 and 3,917.68

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Solution

The fourth proportional to 4,803.82, 6,608.46 and 3,917.68 is: 5,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.82 : 6,608.46 = 3,917.68 : x
  2. Step 2: Convert to fraction form
    4,803.82/6,608.46 = 3,917.68/x
  3. Step 3: Cross multiply
    4,803.82x = 6,608.46 × 3,917.68
  4. Step 4: Simplify right side
    4,803.82x = 25,889,831.57
  5. Step 5: Solve for x
    x = 25,889,831.57/4,803.82
  6. Step 6: Final answer
    x = 5,389.43

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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.