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Finding the Fourth Proportional to 9,800.19, 13,522.95 and 5,819.85

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Solution

The fourth proportional to 9,800.19, 13,522.95 and 5,819.85 is: 8,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.19 : 13,522.95 = 5,819.85 : x
  2. Step 2: Convert to fraction form
    9,800.19/13,522.95 = 5,819.85/x
  3. Step 3: Cross multiply
    9,800.19x = 13,522.95 × 5,819.85
  4. Step 4: Simplify right side
    9,800.19x = 78,701,540.56
  5. Step 5: Solve for x
    x = 78,701,540.56/9,800.19
  6. Step 6: Final answer
    x = 8,030.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.