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Finding the Fourth Proportional to 57,067.84, 85,601.81 and 53,599.73

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Solution

The fourth proportional to 57,067.84, 85,601.81 and 53,599.73 is: 80,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067.84 : 85,601.81 = 53,599.73 : x
  2. Step 2: Convert to fraction form
    57,067.84/85,601.81 = 53,599.73/x
  3. Step 3: Cross multiply
    57,067.84x = 85,601.81 × 53,599.73
  4. Step 4: Simplify right side
    57,067.84x = 4,588,233,609.50
  5. Step 5: Solve for x
    x = 4,588,233,609.50/57,067.84
  6. Step 6: Final answer
    x = 80,399.64

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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.