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Finding the Fourth Proportional to 3,883.28, 5,824.94 and 1,110.28

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Solution

The fourth proportional to 3,883.28, 5,824.94 and 1,110.28 is: 1,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.28 : 5,824.94 = 1,110.28 : x
  2. Step 2: Convert to fraction form
    3,883.28/5,824.94 = 1,110.28/x
  3. Step 3: Cross multiply
    3,883.28x = 5,824.94 × 1,110.28
  4. Step 4: Simplify right side
    3,883.28x = 6,467,314.38
  5. Step 5: Solve for x
    x = 6,467,314.38/3,883.28
  6. Step 6: Final answer
    x = 1,665.43

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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.