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Finding the Fourth Proportional to 6,660.65, 9,992.06 and 2,500.98

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Solution

The fourth proportional to 6,660.65, 9,992.06 and 2,500.98 is: 3,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.65 : 9,992.06 = 2,500.98 : x
  2. Step 2: Convert to fraction form
    6,660.65/9,992.06 = 2,500.98/x
  3. Step 3: Cross multiply
    6,660.65x = 9,992.06 × 2,500.98
  4. Step 4: Simplify right side
    6,660.65x = 24,989,942.22
  5. Step 5: Solve for x
    x = 24,989,942.22/6,660.65
  6. Step 6: Final answer
    x = 3,751.88

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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.