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Finding the Fourth Proportional to 7,080.67, 10,629.21 and 3,800.17

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Solution

The fourth proportional to 7,080.67, 10,629.21 and 3,800.17 is: 5,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.67 : 10,629.21 = 3,800.17 : x
  2. Step 2: Convert to fraction form
    7,080.67/10,629.21 = 3,800.17/x
  3. Step 3: Cross multiply
    7,080.67x = 10,629.21 × 3,800.17
  4. Step 4: Simplify right side
    7,080.67x = 40,392,804.97
  5. Step 5: Solve for x
    x = 40,392,804.97/7,080.67
  6. Step 6: Final answer
    x = 5,704.66

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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.