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Finding the Fourth Proportional to 5,670.93, 8,500.32 and 2,745.21

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Solution

The fourth proportional to 5,670.93, 8,500.32 and 2,745.21 is: 4,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.93 : 8,500.32 = 2,745.21 : x
  2. Step 2: Convert to fraction form
    5,670.93/8,500.32 = 2,745.21/x
  3. Step 3: Cross multiply
    5,670.93x = 8,500.32 × 2,745.21
  4. Step 4: Simplify right side
    5,670.93x = 23,335,163.47
  5. Step 5: Solve for x
    x = 23,335,163.47/5,670.93
  6. Step 6: Final answer
    x = 4,114.87

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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.