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Finding the Fourth Proportional to 5,956.94, 8,221.10 and 3,305.00

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Solution

The fourth proportional to 5,956.94, 8,221.10 and 3,305.00 is: 4,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956.94 : 8,221.10 = 3,305.00 : x
  2. Step 2: Convert to fraction form
    5,956.94/8,221.10 = 3,305.00/x
  3. Step 3: Cross multiply
    5,956.94x = 8,221.10 × 3,305.00
  4. Step 4: Simplify right side
    5,956.94x = 27,170,739.53
  5. Step 5: Solve for x
    x = 27,170,739.53/5,956.94
  6. Step 6: Final answer
    x = 4,561.19

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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.