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Finding the Fourth Proportional to 71,993.66, 108,023.31 and 36,957.94

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Solution

The fourth proportional to 71,993.66, 108,023.31 and 36,957.94 is: 55,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,993.66 : 108,023.31 = 36,957.94 : x
  2. Step 2: Convert to fraction form
    71,993.66/108,023.31 = 36,957.94/x
  3. Step 3: Cross multiply
    71,993.66x = 108,023.31 × 36,957.94
  4. Step 4: Simplify right side
    71,993.66x = 3,992,319,009.58
  5. Step 5: Solve for x
    x = 3,992,319,009.58/71,993.66
  6. Step 6: Final answer
    x = 55,453.76

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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.