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Finding the Fourth Proportional to 23,604.20, 35,408.86 and 8,820.20

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Solution

The fourth proportional to 23,604.20, 35,408.86 and 8,820.20 is: 13,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,604.20 : 35,408.86 = 8,820.20 : x
  2. Step 2: Convert to fraction form
    23,604.20/35,408.86 = 8,820.20/x
  3. Step 3: Cross multiply
    23,604.20x = 35,408.86 × 8,820.20
  4. Step 4: Simplify right side
    23,604.20x = 312,313,226.97
  5. Step 5: Solve for x
    x = 312,313,226.97/23,604.20
  6. Step 6: Final answer
    x = 13,231.26

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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.