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Finding the Fourth Proportional to 57,760.70, 86,679.45 and 32,800.70

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Solution

The fourth proportional to 57,760.70, 86,679.45 and 32,800.70 is: 49,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.70 : 86,679.45 = 32,800.70 : x
  2. Step 2: Convert to fraction form
    57,760.70/86,679.45 = 32,800.70/x
  3. Step 3: Cross multiply
    57,760.70x = 86,679.45 × 32,800.70
  4. Step 4: Simplify right side
    57,760.70x = 2,843,146,635.62
  5. Step 5: Solve for x
    x = 2,843,146,635.62/57,760.70
  6. Step 6: Final answer
    x = 49,222.86

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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.