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Finding the Fourth Proportional to 12,059.92, 18,092.48 and 3,739.77

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Solution

The fourth proportional to 12,059.92, 18,092.48 and 3,739.77 is: 5,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.92 : 18,092.48 = 3,739.77 : x
  2. Step 2: Convert to fraction form
    12,059.92/18,092.48 = 3,739.77/x
  3. Step 3: Cross multiply
    12,059.92x = 18,092.48 × 3,739.77
  4. Step 4: Simplify right side
    12,059.92x = 67,661,695.23
  5. Step 5: Solve for x
    x = 67,661,695.23/12,059.92
  6. Step 6: Final answer
    x = 5,610.46

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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.