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Finding the Fourth Proportional to 41,887,892.80, 62,782,072.80 and 17,626,772.80

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Solution

The fourth proportional to 41,887,892.80, 62,782,072.80 and 17,626,772.80 is: 26,419,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,887,892.80 : 62,782,072.80 = 17,626,772.80 : x
  2. Step 2: Convert to fraction form
    41,887,892.80/62,782,072.80 = 17,626,772.80/x
  3. Step 3: Cross multiply
    41,887,892.80x = 62,782,072.80 × 17,626,772.80
  4. Step 4: Simplify right side
    41,887,892.80x = 1,106,645,333,158,659.88
  5. Step 5: Solve for x
    x = 1,106,645,333,158,659.88/41,887,892.80
  6. Step 6: Final answer
    x = 26,419,217.09

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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.