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Finding the Fourth Proportional to 5,938.20, 8,902.80 and 3,018.60

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Solution

The fourth proportional to 5,938.20, 8,902.80 and 3,018.60 is: 4,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.20 : 8,902.80 = 3,018.60 : x
  2. Step 2: Convert to fraction form
    5,938.20/8,902.80 = 3,018.60/x
  3. Step 3: Cross multiply
    5,938.20x = 8,902.80 × 3,018.60
  4. Step 4: Simplify right side
    5,938.20x = 26,873,992.08
  5. Step 5: Solve for x
    x = 26,873,992.08/5,938.20
  6. Step 6: Final answer
    x = 4,525.61

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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.