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Finding the Fourth Proportional to 48,771.60, 67,361.67 and 32,830.80

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Solution

The fourth proportional to 48,771.60, 67,361.67 and 32,830.80 is: 45,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,771.60 : 67,361.67 = 32,830.80 : x
  2. Step 2: Convert to fraction form
    48,771.60/67,361.67 = 32,830.80/x
  3. Step 3: Cross multiply
    48,771.60x = 67,361.67 × 32,830.80
  4. Step 4: Simplify right side
    48,771.60x = 2,211,537,515.44
  5. Step 5: Solve for x
    x = 2,211,537,515.44/48,771.60
  6. Step 6: Final answer
    x = 45,344.78

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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.