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Finding the Fourth Proportional to 7,092.81, 10,639.13 and 3,194.46

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Solution

The fourth proportional to 7,092.81, 10,639.13 and 3,194.46 is: 4,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.81 : 10,639.13 = 3,194.46 : x
  2. Step 2: Convert to fraction form
    7,092.81/10,639.13 = 3,194.46/x
  3. Step 3: Cross multiply
    7,092.81x = 10,639.13 × 3,194.46
  4. Step 4: Simplify right side
    7,092.81x = 33,986,259.25
  5. Step 5: Solve for x
    x = 33,986,259.25/7,092.81
  6. Step 6: Final answer
    x = 4,791.65

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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.