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Finding the Fourth Proportional to 5,976.62, 8,964.94 and 1,816.65

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Solution

The fourth proportional to 5,976.62, 8,964.94 and 1,816.65 is: 2,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.62 : 8,964.94 = 1,816.65 : x
  2. Step 2: Convert to fraction form
    5,976.62/8,964.94 = 1,816.65/x
  3. Step 3: Cross multiply
    5,976.62x = 8,964.94 × 1,816.65
  4. Step 4: Simplify right side
    5,976.62x = 16,286,158.25
  5. Step 5: Solve for x
    x = 16,286,158.25/5,976.62
  6. Step 6: Final answer
    x = 2,724.98

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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.