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Finding the Fourth Proportional to 57,865.32, 86,797.98 and 54,910.44

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Solution

The fourth proportional to 57,865.32, 86,797.98 and 54,910.44 is: 82,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,865.32 : 86,797.98 = 54,910.44 : x
  2. Step 2: Convert to fraction form
    57,865.32/86,797.98 = 54,910.44/x
  3. Step 3: Cross multiply
    57,865.32x = 86,797.98 × 54,910.44
  4. Step 4: Simplify right side
    57,865.32x = 4,766,115,272.91
  5. Step 5: Solve for x
    x = 4,766,115,272.91/57,865.32
  6. Step 6: Final answer
    x = 82,365.66

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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.