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Finding the Fourth Proportional to 17,794,367.80, 26,691,551.70 and 8,228,429.80

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Solution

The fourth proportional to 17,794,367.80, 26,691,551.70 and 8,228,429.80 is: 12,342,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794,367.80 : 26,691,551.70 = 8,228,429.80 : x
  2. Step 2: Convert to fraction form
    17,794,367.80/26,691,551.70 = 8,228,429.80/x
  3. Step 3: Cross multiply
    17,794,367.80x = 26,691,551.70 × 8,228,429.80
  4. Step 4: Simplify right side
    17,794,367.80x = 219,629,559,416,520.66
  5. Step 5: Solve for x
    x = 219,629,559,416,520.66/17,794,367.80
  6. Step 6: Final answer
    x = 12,342,644.70

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Double scale
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Similar ratio
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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.