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Finding the Fourth Proportional to 26,794.58, 40,198.54 and 8,074.20

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Solution

The fourth proportional to 26,794.58, 40,198.54 and 8,074.20 is: 12,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,794.58 : 40,198.54 = 8,074.20 : x
  2. Step 2: Convert to fraction form
    26,794.58/40,198.54 = 8,074.20/x
  3. Step 3: Cross multiply
    26,794.58x = 40,198.54 × 8,074.20
  4. Step 4: Simplify right side
    26,794.58x = 324,571,051.67
  5. Step 5: Solve for x
    x = 324,571,051.67/26,794.58
  6. Step 6: Final answer
    x = 12,113.31

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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.