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Finding the Fourth Proportional to 3,520.74, 4,855.41 and 3,023.22

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Solution

The fourth proportional to 3,520.74, 4,855.41 and 3,023.22 is: 4,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.74 : 4,855.41 = 3,023.22 : x
  2. Step 2: Convert to fraction form
    3,520.74/4,855.41 = 3,023.22/x
  3. Step 3: Cross multiply
    3,520.74x = 4,855.41 × 3,023.22
  4. Step 4: Simplify right side
    3,520.74x = 14,678,972.62
  5. Step 5: Solve for x
    x = 14,678,972.62/3,520.74
  6. Step 6: Final answer
    x = 4,169.29

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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.