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Finding the Fourth Proportional to 3,891.36, 5,839.85 and 1,550.01

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Solution

The fourth proportional to 3,891.36, 5,839.85 and 1,550.01 is: 2,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.36 : 5,839.85 = 1,550.01 : x
  2. Step 2: Convert to fraction form
    3,891.36/5,839.85 = 1,550.01/x
  3. Step 3: Cross multiply
    3,891.36x = 5,839.85 × 1,550.01
  4. Step 4: Simplify right side
    3,891.36x = 9,051,851.55
  5. Step 5: Solve for x
    x = 9,051,851.55/3,891.36
  6. Step 6: Final answer
    x = 2,326.14

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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.