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Finding the Fourth Proportional to 6,959.03, 10,439.99 and 2,278.67

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Solution

The fourth proportional to 6,959.03, 10,439.99 and 2,278.67 is: 3,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.03 : 10,439.99 = 2,278.67 : x
  2. Step 2: Convert to fraction form
    6,959.03/10,439.99 = 2,278.67/x
  3. Step 3: Cross multiply
    6,959.03x = 10,439.99 × 2,278.67
  4. Step 4: Simplify right side
    6,959.03x = 23,789,236.97
  5. Step 5: Solve for x
    x = 23,789,236.97/6,959.03
  6. Step 6: Final answer
    x = 3,418.47

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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.