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Finding the Fourth Proportional to 1,604.76, 2,408.58 and 1,083.48

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Solution

The fourth proportional to 1,604.76, 2,408.58 and 1,083.48 is: 1,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.76 : 2,408.58 = 1,083.48 : x
  2. Step 2: Convert to fraction form
    1,604.76/2,408.58 = 1,083.48/x
  3. Step 3: Cross multiply
    1,604.76x = 2,408.58 × 1,083.48
  4. Step 4: Simplify right side
    1,604.76x = 2,609,648.26
  5. Step 5: Solve for x
    x = 2,609,648.26/1,604.76
  6. Step 6: Final answer
    x = 1,626.19

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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.