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Finding the Fourth Proportional to 2,048.63, 3,072.74 and 798.93

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Solution

The fourth proportional to 2,048.63, 3,072.74 and 798.93 is: 1,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.63 : 3,072.74 = 798.93 : x
  2. Step 2: Convert to fraction form
    2,048.63/3,072.74 = 798.93/x
  3. Step 3: Cross multiply
    2,048.63x = 3,072.74 × 798.93
  4. Step 4: Simplify right side
    2,048.63x = 2,454,900.17
  5. Step 5: Solve for x
    x = 2,454,900.17/2,048.63
  6. Step 6: Final answer
    x = 1,198.32

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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.