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Finding the Fourth Proportional to 34,847.98, 48,083.97 and 20,704.30

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Solution

The fourth proportional to 34,847.98, 48,083.97 and 20,704.30 is: 28,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,847.98 : 48,083.97 = 20,704.30 : x
  2. Step 2: Convert to fraction form
    34,847.98/48,083.97 = 20,704.30/x
  3. Step 3: Cross multiply
    34,847.98x = 48,083.97 × 20,704.30
  4. Step 4: Simplify right side
    34,847.98x = 995,544,940.07
  5. Step 5: Solve for x
    x = 995,544,940.07/34,847.98
  6. Step 6: Final answer
    x = 28,568.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.