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Finding the Fourth Proportional to 3,889.62, 5,823.63 and 3,025.62

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Solution

The fourth proportional to 3,889.62, 5,823.63 and 3,025.62 is: 4,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.62 : 5,823.63 = 3,025.62 : x
  2. Step 2: Convert to fraction form
    3,889.62/5,823.63 = 3,025.62/x
  3. Step 3: Cross multiply
    3,889.62x = 5,823.63 × 3,025.62
  4. Step 4: Simplify right side
    3,889.62x = 17,620,091.40
  5. Step 5: Solve for x
    x = 17,620,091.40/3,889.62
  6. Step 6: Final answer
    x = 4,530.03

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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.