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Finding the Fourth Proportional to 6,680.54, 9,219.29 and 3,696.59

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Solution

The fourth proportional to 6,680.54, 9,219.29 and 3,696.59 is: 5,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.54 : 9,219.29 = 3,696.59 : x
  2. Step 2: Convert to fraction form
    6,680.54/9,219.29 = 3,696.59/x
  3. Step 3: Cross multiply
    6,680.54x = 9,219.29 × 3,696.59
  4. Step 4: Simplify right side
    6,680.54x = 34,079,889.12
  5. Step 5: Solve for x
    x = 34,079,889.12/6,680.54
  6. Step 6: Final answer
    x = 5,101.37

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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.