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Finding the Fourth Proportional to 7,662.97, 10,573.62 and 4,519.78

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Solution

The fourth proportional to 7,662.97, 10,573.62 and 4,519.78 is: 6,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.97 : 10,573.62 = 4,519.78 : x
  2. Step 2: Convert to fraction form
    7,662.97/10,573.62 = 4,519.78/x
  3. Step 3: Cross multiply
    7,662.97x = 10,573.62 × 4,519.78
  4. Step 4: Simplify right side
    7,662.97x = 47,790,436.20
  5. Step 5: Solve for x
    x = 47,790,436.20/7,662.97
  6. Step 6: Final answer
    x = 6,236.54

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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.