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Finding the Fourth Proportional to 6,173.22, 8,519.12 and 3,520.79

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Solution

The fourth proportional to 6,173.22, 8,519.12 and 3,520.79 is: 4,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.22 : 8,519.12 = 3,520.79 : x
  2. Step 2: Convert to fraction form
    6,173.22/8,519.12 = 3,520.79/x
  3. Step 3: Cross multiply
    6,173.22x = 8,519.12 × 3,520.79
  4. Step 4: Simplify right side
    6,173.22x = 29,994,032.50
  5. Step 5: Solve for x
    x = 29,994,032.50/6,173.22
  6. Step 6: Final answer
    x = 4,858.73

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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.