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Finding the Fourth Proportional to 27,891.51, 41,855.90 and 10,363.11

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Solution

The fourth proportional to 27,891.51, 41,855.90 and 10,363.11 is: 15,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.51 : 41,855.90 = 10,363.11 : x
  2. Step 2: Convert to fraction form
    27,891.51/41,855.90 = 10,363.11/x
  3. Step 3: Cross multiply
    27,891.51x = 41,855.90 × 10,363.11
  4. Step 4: Simplify right side
    27,891.51x = 433,757,244.03
  5. Step 5: Solve for x
    x = 433,757,244.03/27,891.51
  6. Step 6: Final answer
    x = 15,551.59

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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.