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Finding the Fourth Proportional to 18,348.80, 27,524.10 and 9,600.80

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Solution

The fourth proportional to 18,348.80, 27,524.10 and 9,600.80 is: 14,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.80 : 27,524.10 = 9,600.80 : x
  2. Step 2: Convert to fraction form
    18,348.80/27,524.10 = 9,600.80/x
  3. Step 3: Cross multiply
    18,348.80x = 27,524.10 × 9,600.80
  4. Step 4: Simplify right side
    18,348.80x = 264,253,379.28
  5. Step 5: Solve for x
    x = 264,253,379.28/18,348.80
  6. Step 6: Final answer
    x = 14,401.67

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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.