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Finding the Fourth Proportional to 6,339.15, 9,505.98 and 4,879.33

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Solution

The fourth proportional to 6,339.15, 9,505.98 and 4,879.33 is: 7,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.15 : 9,505.98 = 4,879.33 : x
  2. Step 2: Convert to fraction form
    6,339.15/9,505.98 = 4,879.33/x
  3. Step 3: Cross multiply
    6,339.15x = 9,505.98 × 4,879.33
  4. Step 4: Simplify right side
    6,339.15x = 46,382,789.63
  5. Step 5: Solve for x
    x = 46,382,789.63/6,339.15
  6. Step 6: Final answer
    x = 7,316.88

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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.