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Finding the Fourth Proportional to 1,806.63, 2,708.04 and 1,025.67

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Solution

The fourth proportional to 1,806.63, 2,708.04 and 1,025.67 is: 1,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.63 : 2,708.04 = 1,025.67 : x
  2. Step 2: Convert to fraction form
    1,806.63/2,708.04 = 1,025.67/x
  3. Step 3: Cross multiply
    1,806.63x = 2,708.04 × 1,025.67
  4. Step 4: Simplify right side
    1,806.63x = 2,777,555.39
  5. Step 5: Solve for x
    x = 2,777,555.39/1,806.63
  6. Step 6: Final answer
    x = 1,537.42

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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.