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Finding the Fourth Proportional to 7,995.42, 11,995.63 and 2,730.56

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Solution

The fourth proportional to 7,995.42, 11,995.63 and 2,730.56 is: 4,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.42 : 11,995.63 = 2,730.56 : x
  2. Step 2: Convert to fraction form
    7,995.42/11,995.63 = 2,730.56/x
  3. Step 3: Cross multiply
    7,995.42x = 11,995.63 × 2,730.56
  4. Step 4: Simplify right side
    7,995.42x = 32,754,720.65
  5. Step 5: Solve for x
    x = 32,754,720.65/7,995.42
  6. Step 6: Final answer
    x = 4,096.69

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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.