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Finding the Fourth Proportional to 5,893.28, 8,839.84 and 1,789.28

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Solution

The fourth proportional to 5,893.28, 8,839.84 and 1,789.28 is: 2,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.28 : 8,839.84 = 1,789.28 : x
  2. Step 2: Convert to fraction form
    5,893.28/8,839.84 = 1,789.28/x
  3. Step 3: Cross multiply
    5,893.28x = 8,839.84 × 1,789.28
  4. Step 4: Simplify right side
    5,893.28x = 15,816,948.92
  5. Step 5: Solve for x
    x = 15,816,948.92/5,893.28
  6. Step 6: Final answer
    x = 2,683.90

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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.