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Finding the Fourth Proportional to 57,902.94, 87,243.62 and 52,362.54

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Solution

The fourth proportional to 57,902.94, 87,243.62 and 52,362.54 is: 78,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,902.94 : 87,243.62 = 52,362.54 : x
  2. Step 2: Convert to fraction form
    57,902.94/87,243.62 = 52,362.54/x
  3. Step 3: Cross multiply
    57,902.94x = 87,243.62 × 52,362.54
  4. Step 4: Simplify right side
    57,902.94x = 4,568,297,280.18
  5. Step 5: Solve for x
    x = 4,568,297,280.18/57,902.94
  6. Step 6: Final answer
    x = 78,895.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.