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Finding the Fourth Proportional to 6,467.88, 9,706.62 and 2,519.76

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Solution

The fourth proportional to 6,467.88, 9,706.62 and 2,519.76 is: 3,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.88 : 9,706.62 = 2,519.76 : x
  2. Step 2: Convert to fraction form
    6,467.88/9,706.62 = 2,519.76/x
  3. Step 3: Cross multiply
    6,467.88x = 9,706.62 × 2,519.76
  4. Step 4: Simplify right side
    6,467.88x = 24,458,352.81
  5. Step 5: Solve for x
    x = 24,458,352.81/6,467.88
  6. Step 6: Final answer
    x = 3,781.51

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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.