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Finding the Fourth Proportional to 26,941.44, 40,414.90 and 7,221.99

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Solution

The fourth proportional to 26,941.44, 40,414.90 and 7,221.99 is: 10,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.44 : 40,414.90 = 7,221.99 : x
  2. Step 2: Convert to fraction form
    26,941.44/40,414.90 = 7,221.99/x
  3. Step 3: Cross multiply
    26,941.44x = 40,414.90 × 7,221.99
  4. Step 4: Simplify right side
    26,941.44x = 291,876,003.65
  5. Step 5: Solve for x
    x = 291,876,003.65/26,941.44
  6. Step 6: Final answer
    x = 10,833.72

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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.