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Finding the Fourth Proportional to 5,803.35, 8,705.99 and 1,906.85

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Solution

The fourth proportional to 5,803.35, 8,705.99 and 1,906.85 is: 2,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.35 : 8,705.99 = 1,906.85 : x
  2. Step 2: Convert to fraction form
    5,803.35/8,705.99 = 1,906.85/x
  3. Step 3: Cross multiply
    5,803.35x = 8,705.99 × 1,906.85
  4. Step 4: Simplify right side
    5,803.35x = 16,601,017.03
  5. Step 5: Solve for x
    x = 16,601,017.03/5,803.35
  6. Step 6: Final answer
    x = 2,860.59

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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.