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Finding the Fourth Proportional to 57,285.73, 79,092.86 and 43,832.95

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Solution

The fourth proportional to 57,285.73, 79,092.86 and 43,832.95 is: 60,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,285.73 : 79,092.86 = 43,832.95 : x
  2. Step 2: Convert to fraction form
    57,285.73/79,092.86 = 43,832.95/x
  3. Step 3: Cross multiply
    57,285.73x = 79,092.86 × 43,832.95
  4. Step 4: Simplify right side
    57,285.73x = 3,466,872,960.84
  5. Step 5: Solve for x
    x = 3,466,872,960.84/57,285.73
  6. Step 6: Final answer
    x = 60,518.96

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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.