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Finding the Fourth Proportional to 18,680.06, 28,020.03 and 6,201.02

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Solution

The fourth proportional to 18,680.06, 28,020.03 and 6,201.02 is: 9,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.06 : 28,020.03 = 6,201.02 : x
  2. Step 2: Convert to fraction form
    18,680.06/28,020.03 = 6,201.02/x
  3. Step 3: Cross multiply
    18,680.06x = 28,020.03 × 6,201.02
  4. Step 4: Simplify right side
    18,680.06x = 173,752,626.33
  5. Step 5: Solve for x
    x = 173,752,626.33/18,680.06
  6. Step 6: Final answer
    x = 9,301.51

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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.