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Finding the Fourth Proportional to 3,242.92, 4,855.20 and 2,520.94

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Solution

The fourth proportional to 3,242.92, 4,855.20 and 2,520.94 is: 3,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.92 : 4,855.20 = 2,520.94 : x
  2. Step 2: Convert to fraction form
    3,242.92/4,855.20 = 2,520.94/x
  3. Step 3: Cross multiply
    3,242.92x = 4,855.20 × 2,520.94
  4. Step 4: Simplify right side
    3,242.92x = 12,239,667.89
  5. Step 5: Solve for x
    x = 12,239,667.89/3,242.92
  6. Step 6: Final answer
    x = 3,774.27

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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.