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Finding the Fourth Proportional to 26,794.80, 40,211.40 and 11,223.60

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Solution

The fourth proportional to 26,794.80, 40,211.40 and 11,223.60 is: 16,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,794.80 : 40,211.40 = 11,223.60 : x
  2. Step 2: Convert to fraction form
    26,794.80/40,211.40 = 11,223.60/x
  3. Step 3: Cross multiply
    26,794.80x = 40,211.40 × 11,223.60
  4. Step 4: Simplify right side
    26,794.80x = 451,316,669.04
  5. Step 5: Solve for x
    x = 451,316,669.04/26,794.80
  6. Step 6: Final answer
    x = 16,843.44

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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.