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Finding the Fourth Proportional to 75,753.62, 104,540.31 and 41,761.32

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Solution

The fourth proportional to 75,753.62, 104,540.31 and 41,761.32 is: 57,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,753.62 : 104,540.31 = 41,761.32 : x
  2. Step 2: Convert to fraction form
    75,753.62/104,540.31 = 41,761.32/x
  3. Step 3: Cross multiply
    75,753.62x = 104,540.31 × 41,761.32
  4. Step 4: Simplify right side
    75,753.62x = 4,365,741,495.76
  5. Step 5: Solve for x
    x = 4,365,741,495.76/75,753.62
  6. Step 6: Final answer
    x = 57,630.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.