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Finding the Fourth Proportional to 6,321.99, 8,724.45 and 3,633.67

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Solution

The fourth proportional to 6,321.99, 8,724.45 and 3,633.67 is: 5,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.99 : 8,724.45 = 3,633.67 : x
  2. Step 2: Convert to fraction form
    6,321.99/8,724.45 = 3,633.67/x
  3. Step 3: Cross multiply
    6,321.99x = 8,724.45 × 3,633.67
  4. Step 4: Simplify right side
    6,321.99x = 31,701,772.23
  5. Step 5: Solve for x
    x = 31,701,772.23/6,321.99
  6. Step 6: Final answer
    x = 5,014.52

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Similar ratio
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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.