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Finding the Fourth Proportional to 2,696.59, 3,720.27 and 1,633.97

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Solution

The fourth proportional to 2,696.59, 3,720.27 and 1,633.97 is: 2,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.59 : 3,720.27 = 1,633.97 : x
  2. Step 2: Convert to fraction form
    2,696.59/3,720.27 = 1,633.97/x
  3. Step 3: Cross multiply
    2,696.59x = 3,720.27 × 1,633.97
  4. Step 4: Simplify right side
    2,696.59x = 6,078,809.57
  5. Step 5: Solve for x
    x = 6,078,809.57/2,696.59
  6. Step 6: Final answer
    x = 2,254.26

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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.