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Finding the Fourth Proportional to 7,079.31, 10,616.31 and 2,080.17

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Solution

The fourth proportional to 7,079.31, 10,616.31 and 2,080.17 is: 3,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.31 : 10,616.31 = 2,080.17 : x
  2. Step 2: Convert to fraction form
    7,079.31/10,616.31 = 2,080.17/x
  3. Step 3: Cross multiply
    7,079.31x = 10,616.31 × 2,080.17
  4. Step 4: Simplify right side
    7,079.31x = 22,083,729.57
  5. Step 5: Solve for x
    x = 22,083,729.57/7,079.31
  6. Step 6: Final answer
    x = 3,119.47

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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.