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Finding the Fourth Proportional to 47,456.03, 71,239.03 and 27,748.73

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Solution

The fourth proportional to 47,456.03, 71,239.03 and 27,748.73 is: 41,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,456.03 : 71,239.03 = 27,748.73 : x
  2. Step 2: Convert to fraction form
    47,456.03/71,239.03 = 27,748.73/x
  3. Step 3: Cross multiply
    47,456.03x = 71,239.03 × 27,748.73
  4. Step 4: Simplify right side
    47,456.03x = 1,976,792,717.66
  5. Step 5: Solve for x
    x = 1,976,792,717.66/47,456.03
  6. Step 6: Final answer
    x = 41,655.25

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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.