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Finding the Fourth Proportional to 6,750.07, 10,125.14 and 1,819.73

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Solution

The fourth proportional to 6,750.07, 10,125.14 and 1,819.73 is: 2,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.07 : 10,125.14 = 1,819.73 : x
  2. Step 2: Convert to fraction form
    6,750.07/10,125.14 = 1,819.73/x
  3. Step 3: Cross multiply
    6,750.07x = 10,125.14 × 1,819.73
  4. Step 4: Simplify right side
    6,750.07x = 18,425,037.23
  5. Step 5: Solve for x
    x = 18,425,037.23/6,750.07
  6. Step 6: Final answer
    x = 2,729.61

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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.