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Finding the Fourth Proportional to 41,690.40, 62,469.72 and 33,424.08

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Solution

The fourth proportional to 41,690.40, 62,469.72 and 33,424.08 is: 50,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,690.40 : 62,469.72 = 33,424.08 : x
  2. Step 2: Convert to fraction form
    41,690.40/62,469.72 = 33,424.08/x
  3. Step 3: Cross multiply
    41,690.40x = 62,469.72 × 33,424.08
  4. Step 4: Simplify right side
    41,690.40x = 2,087,992,918.86
  5. Step 5: Solve for x
    x = 2,087,992,918.86/41,690.40
  6. Step 6: Final answer
    x = 50,083.30

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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.