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Finding the Fourth Proportional to 49,607.60, 74,411.40 and 33,861.20

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Solution

The fourth proportional to 49,607.60, 74,411.40 and 33,861.20 is: 50,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,607.60 : 74,411.40 = 33,861.20 : x
  2. Step 2: Convert to fraction form
    49,607.60/74,411.40 = 33,861.20/x
  3. Step 3: Cross multiply
    49,607.60x = 74,411.40 × 33,861.20
  4. Step 4: Simplify right side
    49,607.60x = 2,519,659,297.68
  5. Step 5: Solve for x
    x = 2,519,659,297.68/49,607.60
  6. Step 6: Final answer
    x = 50,791.80

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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.