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Finding the Fourth Proportional to 27,858.23, 41,787.44 and 7,081.73

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Solution

The fourth proportional to 27,858.23, 41,787.44 and 7,081.73 is: 10,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.23 : 41,787.44 = 7,081.73 : x
  2. Step 2: Convert to fraction form
    27,858.23/41,787.44 = 7,081.73/x
  3. Step 3: Cross multiply
    27,858.23x = 41,787.44 × 7,081.73
  4. Step 4: Simplify right side
    27,858.23x = 295,927,123.13
  5. Step 5: Solve for x
    x = 295,927,123.13/27,858.23
  6. Step 6: Final answer
    x = 10,622.61

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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.