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Finding the Fourth Proportional to 57,046.54, 85,422.18 and 50,698.97

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Solution

The fourth proportional to 57,046.54, 85,422.18 and 50,698.97 is: 75,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.54 : 85,422.18 = 50,698.97 : x
  2. Step 2: Convert to fraction form
    57,046.54/85,422.18 = 50,698.97/x
  3. Step 3: Cross multiply
    57,046.54x = 85,422.18 × 50,698.97
  4. Step 4: Simplify right side
    57,046.54x = 4,330,816,541.15
  5. Step 5: Solve for x
    x = 4,330,816,541.15/57,046.54
  6. Step 6: Final answer
    x = 75,917.25

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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.