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Finding the Fourth Proportional to 43,795.20, 65,692.80 and 41,203.20

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Solution

The fourth proportional to 43,795.20, 65,692.80 and 41,203.20 is: 61,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,795.20 : 65,692.80 = 41,203.20 : x
  2. Step 2: Convert to fraction form
    43,795.20/65,692.80 = 41,203.20/x
  3. Step 3: Cross multiply
    43,795.20x = 65,692.80 × 41,203.20
  4. Step 4: Simplify right side
    43,795.20x = 2,706,753,576.96
  5. Step 5: Solve for x
    x = 2,706,753,576.96/43,795.20
  6. Step 6: Final answer
    x = 61,804.80

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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.