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Finding the Fourth Proportional to 6,960.74, 9,606.32 and 4,309.68

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Solution

The fourth proportional to 6,960.74, 9,606.32 and 4,309.68 is: 5,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.74 : 9,606.32 = 4,309.68 : x
  2. Step 2: Convert to fraction form
    6,960.74/9,606.32 = 4,309.68/x
  3. Step 3: Cross multiply
    6,960.74x = 9,606.32 × 4,309.68
  4. Step 4: Simplify right side
    6,960.74x = 41,400,143.63
  5. Step 5: Solve for x
    x = 41,400,143.63/6,960.74
  6. Step 6: Final answer
    x = 5,947.67

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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.