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Finding the Fourth Proportional to 5,894.55, 8,839.50 and 2,145.44

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Solution

The fourth proportional to 5,894.55, 8,839.50 and 2,145.44 is: 3,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.55 : 8,839.50 = 2,145.44 : x
  2. Step 2: Convert to fraction form
    5,894.55/8,839.50 = 2,145.44/x
  3. Step 3: Cross multiply
    5,894.55x = 8,839.50 × 2,145.44
  4. Step 4: Simplify right side
    5,894.55x = 18,964,572.68
  5. Step 5: Solve for x
    x = 18,964,572.68/5,894.55
  6. Step 6: Final answer
    x = 3,217.31

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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.