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Finding the Fourth Proportional to 4,879.98, 6,734.75 and 2,863.35

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Solution

The fourth proportional to 4,879.98, 6,734.75 and 2,863.35 is: 3,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.98 : 6,734.75 = 2,863.35 : x
  2. Step 2: Convert to fraction form
    4,879.98/6,734.75 = 2,863.35/x
  3. Step 3: Cross multiply
    4,879.98x = 6,734.75 × 2,863.35
  4. Step 4: Simplify right side
    4,879.98x = 19,283,932.10
  5. Step 5: Solve for x
    x = 19,283,932.10/4,879.98
  6. Step 6: Final answer
    x = 3,951.64

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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.