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Finding the Fourth Proportional to 3,583.82, 5,376.99 and 1,119.26

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Solution

The fourth proportional to 3,583.82, 5,376.99 and 1,119.26 is: 1,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.82 : 5,376.99 = 1,119.26 : x
  2. Step 2: Convert to fraction form
    3,583.82/5,376.99 = 1,119.26/x
  3. Step 3: Cross multiply
    3,583.82x = 5,376.99 × 1,119.26
  4. Step 4: Simplify right side
    3,583.82x = 6,018,249.83
  5. Step 5: Solve for x
    x = 6,018,249.83/3,583.82
  6. Step 6: Final answer
    x = 1,679.28

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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.