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Finding the Fourth Proportional to 27,787.63, 41,705.03 and 11,158.92

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Solution

The fourth proportional to 27,787.63, 41,705.03 and 11,158.92 is: 16,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.63 : 41,705.03 = 11,158.92 : x
  2. Step 2: Convert to fraction form
    27,787.63/41,705.03 = 11,158.92/x
  3. Step 3: Cross multiply
    27,787.63x = 41,705.03 × 11,158.92
  4. Step 4: Simplify right side
    27,787.63x = 465,383,093.37
  5. Step 5: Solve for x
    x = 465,383,093.37/27,787.63
  6. Step 6: Final answer
    x = 16,747.85

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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.