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Finding the Fourth Proportional to 43,692.12, 65,372.54 and 25,932.29

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Solution

The fourth proportional to 43,692.12, 65,372.54 and 25,932.29 is: 38,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,692.12 : 65,372.54 = 25,932.29 : x
  2. Step 2: Convert to fraction form
    43,692.12/65,372.54 = 25,932.29/x
  3. Step 3: Cross multiply
    43,692.12x = 65,372.54 × 25,932.29
  4. Step 4: Simplify right side
    43,692.12x = 1,695,259,208.79
  5. Step 5: Solve for x
    x = 1,695,259,208.79/43,692.12
  6. Step 6: Final answer
    x = 38,800.11

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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.