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Finding the Fourth Proportional to 49,716.80, 74,380.80 and 32,220.80

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Solution

The fourth proportional to 49,716.80, 74,380.80 and 32,220.80 is: 48,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716.80 : 74,380.80 = 32,220.80 : x
  2. Step 2: Convert to fraction form
    49,716.80/74,380.80 = 32,220.80/x
  3. Step 3: Cross multiply
    49,716.80x = 74,380.80 × 32,220.80
  4. Step 4: Simplify right side
    49,716.80x = 2,396,608,880.64
  5. Step 5: Solve for x
    x = 2,396,608,880.64/49,716.80
  6. Step 6: Final answer
    x = 48,205.21

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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.