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Finding the Fourth Proportional to 27,345.41, 41,020.43 and 7,623.99

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Solution

The fourth proportional to 27,345.41, 41,020.43 and 7,623.99 is: 11,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.41 : 41,020.43 = 7,623.99 : x
  2. Step 2: Convert to fraction form
    27,345.41/41,020.43 = 7,623.99/x
  3. Step 3: Cross multiply
    27,345.41x = 41,020.43 × 7,623.99
  4. Step 4: Simplify right side
    27,345.41x = 312,739,348.12
  5. Step 5: Solve for x
    x = 312,739,348.12/27,345.41
  6. Step 6: Final answer
    x = 11,436.63

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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.