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Finding the Fourth Proportional to 7,850.95, 10,834.22 and 4,493.70

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Solution

The fourth proportional to 7,850.95, 10,834.22 and 4,493.70 is: 6,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.95 : 10,834.22 = 4,493.70 : x
  2. Step 2: Convert to fraction form
    7,850.95/10,834.22 = 4,493.70/x
  3. Step 3: Cross multiply
    7,850.95x = 10,834.22 × 4,493.70
  4. Step 4: Simplify right side
    7,850.95x = 48,685,745.65
  5. Step 5: Solve for x
    x = 48,685,745.65/7,850.95
  6. Step 6: Final answer
    x = 6,201.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.