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Finding the Fourth Proportional to 57,803.32, 86,584.02 and 50,791.96

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Solution

The fourth proportional to 57,803.32, 86,584.02 and 50,791.96 is: 76,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,803.32 : 86,584.02 = 50,791.96 : x
  2. Step 2: Convert to fraction form
    57,803.32/86,584.02 = 50,791.96/x
  3. Step 3: Cross multiply
    57,803.32x = 86,584.02 × 50,791.96
  4. Step 4: Simplify right side
    57,803.32x = 4,397,772,080.48
  5. Step 5: Solve for x
    x = 4,397,772,080.48/57,803.32
  6. Step 6: Final answer
    x = 76,081.65

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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.