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Finding the Fourth Proportional to 27,860.03, 41,791.44 and 9,138.41

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Solution

The fourth proportional to 27,860.03, 41,791.44 and 9,138.41 is: 13,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.03 : 41,791.44 = 9,138.41 : x
  2. Step 2: Convert to fraction form
    27,860.03/41,791.44 = 9,138.41/x
  3. Step 3: Cross multiply
    27,860.03x = 41,791.44 × 9,138.41
  4. Step 4: Simplify right side
    27,860.03x = 381,907,313.21
  5. Step 5: Solve for x
    x = 381,907,313.21/27,860.03
  6. Step 6: Final answer
    x = 13,708.07

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1.5x scale

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.