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Finding the Fourth Proportional to 4,879.53, 7,310.79 and 4,063.05

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Solution

The fourth proportional to 4,879.53, 7,310.79 and 4,063.05 is: 6,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.53 : 7,310.79 = 4,063.05 : x
  2. Step 2: Convert to fraction form
    4,879.53/7,310.79 = 4,063.05/x
  3. Step 3: Cross multiply
    4,879.53x = 7,310.79 × 4,063.05
  4. Step 4: Simplify right side
    4,879.53x = 29,704,105.31
  5. Step 5: Solve for x
    x = 29,704,105.31/4,879.53
  6. Step 6: Final answer
    x = 6,087.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.