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Finding the Fourth Proportional to 73,791.92, 101,832.72 and 40,257.92

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Solution

The fourth proportional to 73,791.92, 101,832.72 and 40,257.92 is: 55,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.92 : 101,832.72 = 40,257.92 : x
  2. Step 2: Convert to fraction form
    73,791.92/101,832.72 = 40,257.92/x
  3. Step 3: Cross multiply
    73,791.92x = 101,832.72 × 40,257.92
  4. Step 4: Simplify right side
    73,791.92x = 4,099,573,495.14
  5. Step 5: Solve for x
    x = 4,099,573,495.14/73,791.92
  6. Step 6: Final answer
    x = 55,555.86

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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.