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Finding the Fourth Proportional to 4,906.54, 6,766.39 and 3,785.71

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Solution

The fourth proportional to 4,906.54, 6,766.39 and 3,785.71 is: 5,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.54 : 6,766.39 = 3,785.71 : x
  2. Step 2: Convert to fraction form
    4,906.54/6,766.39 = 3,785.71/x
  3. Step 3: Cross multiply
    4,906.54x = 6,766.39 × 3,785.71
  4. Step 4: Simplify right side
    4,906.54x = 25,615,590.29
  5. Step 5: Solve for x
    x = 25,615,590.29/4,906.54
  6. Step 6: Final answer
    x = 5,220.70

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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.