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Finding the Fourth Proportional to 27,881.91, 41,797.20 and 12,077.01

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Solution

The fourth proportional to 27,881.91, 41,797.20 and 12,077.01 is: 18,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.91 : 41,797.20 = 12,077.01 : x
  2. Step 2: Convert to fraction form
    27,881.91/41,797.20 = 12,077.01/x
  3. Step 3: Cross multiply
    27,881.91x = 41,797.20 × 12,077.01
  4. Step 4: Simplify right side
    27,881.91x = 504,785,202.37
  5. Step 5: Solve for x
    x = 504,785,202.37/27,881.91
  6. Step 6: Final answer
    x = 18,104.40

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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.