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Finding the Fourth Proportional to 6,480.63, 9,718.50 and 2,096.91

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Solution

The fourth proportional to 6,480.63, 9,718.50 and 2,096.91 is: 3,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.63 : 9,718.50 = 2,096.91 : x
  2. Step 2: Convert to fraction form
    6,480.63/9,718.50 = 2,096.91/x
  3. Step 3: Cross multiply
    6,480.63x = 9,718.50 × 2,096.91
  4. Step 4: Simplify right side
    6,480.63x = 20,378,819.84
  5. Step 5: Solve for x
    x = 20,378,819.84/6,480.63
  6. Step 6: Final answer
    x = 3,144.57

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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.