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Finding the Fourth Proportional to 4,408, 6,082.83 and 2,639.26

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Solution

The fourth proportional to 4,408, 6,082.83 and 2,639.26 is: 3,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408 : 6,082.83 = 2,639.26 : x
  2. Step 2: Convert to fraction form
    4,408/6,082.83 = 2,639.26/x
  3. Step 3: Cross multiply
    4,408x = 6,082.83 × 2,639.26
  4. Step 4: Simplify right side
    4,408x = 16,054,169.91
  5. Step 5: Solve for x
    x = 16,054,169.91/4,408
  6. Step 6: Final answer
    x = 3,642.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.