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Finding the Fourth Proportional to 5,967.99, 8,235.20 and 3,449.90

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Solution

The fourth proportional to 5,967.99, 8,235.20 and 3,449.90 is: 4,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.99 : 8,235.20 = 3,449.90 : x
  2. Step 2: Convert to fraction form
    5,967.99/8,235.20 = 3,449.90/x
  3. Step 3: Cross multiply
    5,967.99x = 8,235.20 × 3,449.90
  4. Step 4: Simplify right side
    5,967.99x = 28,410,616.48
  5. Step 5: Solve for x
    x = 28,410,616.48/5,967.99
  6. Step 6: Final answer
    x = 4,760.50

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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.