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Finding the Fourth Proportional to 6,873.95, 10,311.39 and 2,194.31

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Solution

The fourth proportional to 6,873.95, 10,311.39 and 2,194.31 is: 3,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.95 : 10,311.39 = 2,194.31 : x
  2. Step 2: Convert to fraction form
    6,873.95/10,311.39 = 2,194.31/x
  3. Step 3: Cross multiply
    6,873.95x = 10,311.39 × 2,194.31
  4. Step 4: Simplify right side
    6,873.95x = 22,626,365.07
  5. Step 5: Solve for x
    x = 22,626,365.07/6,873.95
  6. Step 6: Final answer
    x = 3,291.61

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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.