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Finding the Fourth Proportional to 8,601.94, 12,902.91 and 2,759.01

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Solution

The fourth proportional to 8,601.94, 12,902.91 and 2,759.01 is: 4,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.94 : 12,902.91 = 2,759.01 : x
  2. Step 2: Convert to fraction form
    8,601.94/12,902.91 = 2,759.01/x
  3. Step 3: Cross multiply
    8,601.94x = 12,902.91 × 2,759.01
  4. Step 4: Simplify right side
    8,601.94x = 35,599,257.72
  5. Step 5: Solve for x
    x = 35,599,257.72/8,601.94
  6. Step 6: Final answer
    x = 4,138.52

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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.