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Finding the Fourth Proportional to 3,408.42, 4,704.81 and 2,513.21

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Solution

The fourth proportional to 3,408.42, 4,704.81 and 2,513.21 is: 3,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.42 : 4,704.81 = 2,513.21 : x
  2. Step 2: Convert to fraction form
    3,408.42/4,704.81 = 2,513.21/x
  3. Step 3: Cross multiply
    3,408.42x = 4,704.81 × 2,513.21
  4. Step 4: Simplify right side
    3,408.42x = 11,824,152.02
  5. Step 5: Solve for x
    x = 11,824,152.02/3,408.42
  6. Step 6: Final answer
    x = 3,469.10

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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.