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Finding the Fourth Proportional to 57,692.28, 86,353.74 and 41,842.20

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Solution

The fourth proportional to 57,692.28, 86,353.74 and 41,842.20 is: 62,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.28 : 86,353.74 = 41,842.20 : x
  2. Step 2: Convert to fraction form
    57,692.28/86,353.74 = 41,842.20/x
  3. Step 3: Cross multiply
    57,692.28x = 86,353.74 × 41,842.20
  4. Step 4: Simplify right side
    57,692.28x = 3,613,230,459.83
  5. Step 5: Solve for x
    x = 3,613,230,459.83/57,692.28
  6. Step 6: Final answer
    x = 62,629.36

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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.