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Finding the Fourth Proportional to 3,536.39, 4,880.37 and 1,964.49

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Solution

The fourth proportional to 3,536.39, 4,880.37 and 1,964.49 is: 2,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.39 : 4,880.37 = 1,964.49 : x
  2. Step 2: Convert to fraction form
    3,536.39/4,880.37 = 1,964.49/x
  3. Step 3: Cross multiply
    3,536.39x = 4,880.37 × 1,964.49
  4. Step 4: Simplify right side
    3,536.39x = 9,587,438.06
  5. Step 5: Solve for x
    x = 9,587,438.06/3,536.39
  6. Step 6: Final answer
    x = 2,711.08

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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.