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Finding the Fourth Proportional to 57,573.39, 86,249.30 and 35,321.79

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Solution

The fourth proportional to 57,573.39, 86,249.30 and 35,321.79 is: 52,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.39 : 86,249.30 = 35,321.79 : x
  2. Step 2: Convert to fraction form
    57,573.39/86,249.30 = 35,321.79/x
  3. Step 3: Cross multiply
    57,573.39x = 86,249.30 × 35,321.79
  4. Step 4: Simplify right side
    57,573.39x = 3,046,479,485.64
  5. Step 5: Solve for x
    x = 3,046,479,485.64/57,573.39
  6. Step 6: Final answer
    x = 52,914.71

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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.