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Finding the Fourth Proportional to 6,602.26, 9,111.12 and 3,949.68

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Solution

The fourth proportional to 6,602.26, 9,111.12 and 3,949.68 is: 5,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.26 : 9,111.12 = 3,949.68 : x
  2. Step 2: Convert to fraction form
    6,602.26/9,111.12 = 3,949.68/x
  3. Step 3: Cross multiply
    6,602.26x = 9,111.12 × 3,949.68
  4. Step 4: Simplify right side
    6,602.26x = 35,986,008.44
  5. Step 5: Solve for x
    x = 35,986,008.44/6,602.26
  6. Step 6: Final answer
    x = 5,450.56

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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.