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Finding the Fourth Proportional to 3,083.99, 4,626.03 and 892.72

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Solution

The fourth proportional to 3,083.99, 4,626.03 and 892.72 is: 1,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.99 : 4,626.03 = 892.72 : x
  2. Step 2: Convert to fraction form
    3,083.99/4,626.03 = 892.72/x
  3. Step 3: Cross multiply
    3,083.99x = 4,626.03 × 892.72
  4. Step 4: Simplify right side
    3,083.99x = 4,129,745.04
  5. Step 5: Solve for x
    x = 4,129,745.04/3,083.99
  6. Step 6: Final answer
    x = 1,339.09

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1.5x scale

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.