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Finding the Fourth Proportional to 3,848.42, 5,773.13 and 1,383.51

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Solution

The fourth proportional to 3,848.42, 5,773.13 and 1,383.51 is: 2,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.42 : 5,773.13 = 1,383.51 : x
  2. Step 2: Convert to fraction form
    3,848.42/5,773.13 = 1,383.51/x
  3. Step 3: Cross multiply
    3,848.42x = 5,773.13 × 1,383.51
  4. Step 4: Simplify right side
    3,848.42x = 7,987,183.09
  5. Step 5: Solve for x
    x = 7,987,183.09/3,848.42
  6. Step 6: Final answer
    x = 2,075.44

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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.