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Finding the Fourth Proportional to 2,744.64, 3,785.70 and 1,696.08

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Solution

The fourth proportional to 2,744.64, 3,785.70 and 1,696.08 is: 2,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.64 : 3,785.70 = 1,696.08 : x
  2. Step 2: Convert to fraction form
    2,744.64/3,785.70 = 1,696.08/x
  3. Step 3: Cross multiply
    2,744.64x = 3,785.70 × 1,696.08
  4. Step 4: Simplify right side
    2,744.64x = 6,420,850.06
  5. Step 5: Solve for x
    x = 6,420,850.06/2,744.64
  6. Step 6: Final answer
    x = 2,339.41

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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.