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Finding the Fourth Proportional to 57,712.22, 79,675.98 and 43,992.54

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Solution

The fourth proportional to 57,712.22, 79,675.98 and 43,992.54 is: 60,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.22 : 79,675.98 = 43,992.54 : x
  2. Step 2: Convert to fraction form
    57,712.22/79,675.98 = 43,992.54/x
  3. Step 3: Cross multiply
    57,712.22x = 79,675.98 × 43,992.54
  4. Step 4: Simplify right side
    57,712.22x = 3,505,148,737.19
  5. Step 5: Solve for x
    x = 3,505,148,737.19/57,712.22
  6. Step 6: Final answer
    x = 60,734.95

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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.