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Finding the Fourth Proportional to 2,632.94, 3,949.94 and 1,072.93

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Solution

The fourth proportional to 2,632.94, 3,949.94 and 1,072.93 is: 1,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.94 : 3,949.94 = 1,072.93 : x
  2. Step 2: Convert to fraction form
    2,632.94/3,949.94 = 1,072.93/x
  3. Step 3: Cross multiply
    2,632.94x = 3,949.94 × 1,072.93
  4. Step 4: Simplify right side
    2,632.94x = 4,238,001.93
  5. Step 5: Solve for x
    x = 4,238,001.93/2,632.94
  6. Step 6: Final answer
    x = 1,609.61

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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.