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Finding the Fourth Proportional to 4,982.83, 7,474.17 and 1,520.08

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Solution

The fourth proportional to 4,982.83, 7,474.17 and 1,520.08 is: 2,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.83 : 7,474.17 = 1,520.08 : x
  2. Step 2: Convert to fraction form
    4,982.83/7,474.17 = 1,520.08/x
  3. Step 3: Cross multiply
    4,982.83x = 7,474.17 × 1,520.08
  4. Step 4: Simplify right side
    4,982.83x = 11,361,336.33
  5. Step 5: Solve for x
    x = 11,361,336.33/4,982.83
  6. Step 6: Final answer
    x = 2,280.10

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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.