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Finding the Fourth Proportional to 4,696.56, 6,481.23 and 2,679.90

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Solution

The fourth proportional to 4,696.56, 6,481.23 and 2,679.90 is: 3,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.56 : 6,481.23 = 2,679.90 : x
  2. Step 2: Convert to fraction form
    4,696.56/6,481.23 = 2,679.90/x
  3. Step 3: Cross multiply
    4,696.56x = 6,481.23 × 2,679.90
  4. Step 4: Simplify right side
    4,696.56x = 17,369,048.28
  5. Step 5: Solve for x
    x = 17,369,048.28/4,696.56
  6. Step 6: Final answer
    x = 3,698.25

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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.