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Finding the Fourth Proportional to 20,604.94, 30,907.41 and 11,834.26

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Solution

The fourth proportional to 20,604.94, 30,907.41 and 11,834.26 is: 17,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.94 : 30,907.41 = 11,834.26 : x
  2. Step 2: Convert to fraction form
    20,604.94/30,907.41 = 11,834.26/x
  3. Step 3: Cross multiply
    20,604.94x = 30,907.41 × 11,834.26
  4. Step 4: Simplify right side
    20,604.94x = 365,766,325.87
  5. Step 5: Solve for x
    x = 365,766,325.87/20,604.94
  6. Step 6: Final answer
    x = 17,751.39

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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.