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Finding the Fourth Proportional to 4,765.44, 6,578.04 and 3,879.71

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Solution

The fourth proportional to 4,765.44, 6,578.04 and 3,879.71 is: 5,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.44 : 6,578.04 = 3,879.71 : x
  2. Step 2: Convert to fraction form
    4,765.44/6,578.04 = 3,879.71/x
  3. Step 3: Cross multiply
    4,765.44x = 6,578.04 × 3,879.71
  4. Step 4: Simplify right side
    4,765.44x = 25,520,854.68
  5. Step 5: Solve for x
    x = 25,520,854.68/4,765.44
  6. Step 6: Final answer
    x = 5,355.40

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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.