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Finding the Fourth Proportional to 2,679.02, 3,696.06 and 2,048.90

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Solution

The fourth proportional to 2,679.02, 3,696.06 and 2,048.90 is: 2,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.02 : 3,696.06 = 2,048.90 : x
  2. Step 2: Convert to fraction form
    2,679.02/3,696.06 = 2,048.90/x
  3. Step 3: Cross multiply
    2,679.02x = 3,696.06 × 2,048.90
  4. Step 4: Simplify right side
    2,679.02x = 7,572,857.33
  5. Step 5: Solve for x
    x = 7,572,857.33/2,679.02
  6. Step 6: Final answer
    x = 2,826.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.