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Finding the Fourth Proportional to 5,956.80, 8,936.16 and 2,669.88

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Solution

The fourth proportional to 5,956.80, 8,936.16 and 2,669.88 is: 4,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956.80 : 8,936.16 = 2,669.88 : x
  2. Step 2: Convert to fraction form
    5,956.80/8,936.16 = 2,669.88/x
  3. Step 3: Cross multiply
    5,956.80x = 8,936.16 × 2,669.88
  4. Step 4: Simplify right side
    5,956.80x = 23,858,474.86
  5. Step 5: Solve for x
    x = 23,858,474.86/5,956.80
  6. Step 6: Final answer
    x = 4,005.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.