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Finding the Fourth Proportional to 65,850.70, 98,697.12 and 33,796.81

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Solution

The fourth proportional to 65,850.70, 98,697.12 and 33,796.81 is: 50,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.70 : 98,697.12 = 33,796.81 : x
  2. Step 2: Convert to fraction form
    65,850.70/98,697.12 = 33,796.81/x
  3. Step 3: Cross multiply
    65,850.70x = 98,697.12 × 33,796.81
  4. Step 4: Simplify right side
    65,850.70x = 3,335,647,812.19
  5. Step 5: Solve for x
    x = 3,335,647,812.19/65,850.70
  6. Step 6: Final answer
    x = 50,654.71

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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.