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Finding the Fourth Proportional to 2,709.15, 3,738.64 and 1,467.15

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Solution

The fourth proportional to 2,709.15, 3,738.64 and 1,467.15 is: 2,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.15 : 3,738.64 = 1,467.15 : x
  2. Step 2: Convert to fraction form
    2,709.15/3,738.64 = 1,467.15/x
  3. Step 3: Cross multiply
    2,709.15x = 3,738.64 × 1,467.15
  4. Step 4: Simplify right side
    2,709.15x = 5,485,145.68
  5. Step 5: Solve for x
    x = 5,485,145.68/2,709.15
  6. Step 6: Final answer
    x = 2,024.67

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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.