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Finding the Fourth Proportional to 26,945.99, 40,418.95 and 8,226.11

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Solution

The fourth proportional to 26,945.99, 40,418.95 and 8,226.11 is: 12,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.99 : 40,418.95 = 8,226.11 : x
  2. Step 2: Convert to fraction form
    26,945.99/40,418.95 = 8,226.11/x
  3. Step 3: Cross multiply
    26,945.99x = 40,418.95 × 8,226.11
  4. Step 4: Simplify right side
    26,945.99x = 332,490,687.65
  5. Step 5: Solve for x
    x = 332,490,687.65/26,945.99
  6. Step 6: Final answer
    x = 12,339.15

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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.