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Finding the Fourth Proportional to 33,809.70, 50,745.55 and 17,181.30

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Solution

The fourth proportional to 33,809.70, 50,745.55 and 17,181.30 is: 25,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.70 : 50,745.55 = 17,181.30 : x
  2. Step 2: Convert to fraction form
    33,809.70/50,745.55 = 17,181.30/x
  3. Step 3: Cross multiply
    33,809.70x = 50,745.55 × 17,181.30
  4. Step 4: Simplify right side
    33,809.70x = 871,874,518.22
  5. Step 5: Solve for x
    x = 871,874,518.22/33,809.70
  6. Step 6: Final answer
    x = 25,787.70

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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.