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Finding the Fourth Proportional to 27,365.73, 41,044.04 and 7,638.99

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Solution

The fourth proportional to 27,365.73, 41,044.04 and 7,638.99 is: 11,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.73 : 41,044.04 = 7,638.99 : x
  2. Step 2: Convert to fraction form
    27,365.73/41,044.04 = 7,638.99/x
  3. Step 3: Cross multiply
    27,365.73x = 41,044.04 × 7,638.99
  4. Step 4: Simplify right side
    27,365.73x = 313,534,972.92
  5. Step 5: Solve for x
    x = 313,534,972.92/27,365.73
  6. Step 6: Final answer
    x = 11,457.21

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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.