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Finding the Fourth Proportional to 18,377.94, 27,542.16 and 10,045.44

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Solution

The fourth proportional to 18,377.94, 27,542.16 and 10,045.44 is: 15,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.94 : 27,542.16 = 10,045.44 : x
  2. Step 2: Convert to fraction form
    18,377.94/27,542.16 = 10,045.44/x
  3. Step 3: Cross multiply
    18,377.94x = 27,542.16 × 10,045.44
  4. Step 4: Simplify right side
    18,377.94x = 276,673,115.75
  5. Step 5: Solve for x
    x = 276,673,115.75/18,377.94
  6. Step 6: Final answer
    x = 15,054.63

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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.