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Finding the Fourth Proportional to 27,894.87, 41,840.28 and 9,174.69

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Solution

The fourth proportional to 27,894.87, 41,840.28 and 9,174.69 is: 13,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.87 : 41,840.28 = 9,174.69 : x
  2. Step 2: Convert to fraction form
    27,894.87/41,840.28 = 9,174.69/x
  3. Step 3: Cross multiply
    27,894.87x = 41,840.28 × 9,174.69
  4. Step 4: Simplify right side
    27,894.87x = 383,871,552.64
  5. Step 5: Solve for x
    x = 383,871,552.64/27,894.87
  6. Step 6: Final answer
    x = 13,761.37

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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.