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Finding the Fourth Proportional to 39,873.87, 59,791.98 and 14,555.82

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Solution

The fourth proportional to 39,873.87, 59,791.98 and 14,555.82 is: 21,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.87 : 59,791.98 = 14,555.82 : x
  2. Step 2: Convert to fraction form
    39,873.87/59,791.98 = 14,555.82/x
  3. Step 3: Cross multiply
    39,873.87x = 59,791.98 × 14,555.82
  4. Step 4: Simplify right side
    39,873.87x = 870,321,298.32
  5. Step 5: Solve for x
    x = 870,321,298.32/39,873.87
  6. Step 6: Final answer
    x = 21,826.86

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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.