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Finding the Fourth Proportional to 6,351.81, 8,765.59 and 3,662.99

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Solution

The fourth proportional to 6,351.81, 8,765.59 and 3,662.99 is: 5,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.81 : 8,765.59 = 3,662.99 : x
  2. Step 2: Convert to fraction form
    6,351.81/8,765.59 = 3,662.99/x
  3. Step 3: Cross multiply
    6,351.81x = 8,765.59 × 3,662.99
  4. Step 4: Simplify right side
    6,351.81x = 32,108,224.69
  5. Step 5: Solve for x
    x = 32,108,224.69/6,351.81
  6. Step 6: Final answer
    x = 5,054.97

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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.