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Finding the Fourth Proportional to 39,794.63, 59,692.34 and 12,092.63

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Solution

The fourth proportional to 39,794.63, 59,692.34 and 12,092.63 is: 18,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.63 : 59,692.34 = 12,092.63 : x
  2. Step 2: Convert to fraction form
    39,794.63/59,692.34 = 12,092.63/x
  3. Step 3: Cross multiply
    39,794.63x = 59,692.34 × 12,092.63
  4. Step 4: Simplify right side
    39,794.63x = 721,837,113.22
  5. Step 5: Solve for x
    x = 721,837,113.22/39,794.63
  6. Step 6: Final answer
    x = 18,139.06

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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.