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Finding the Fourth Proportional to 9,092.28, 12,517.02 and 8,674.32

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Solution

The fourth proportional to 9,092.28, 12,517.02 and 8,674.32 is: 11,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.28 : 12,517.02 = 8,674.32 : x
  2. Step 2: Convert to fraction form
    9,092.28/12,517.02 = 8,674.32/x
  3. Step 3: Cross multiply
    9,092.28x = 12,517.02 × 8,674.32
  4. Step 4: Simplify right side
    9,092.28x = 108,576,636.93
  5. Step 5: Solve for x
    x = 108,576,636.93/9,092.28
  6. Step 6: Final answer
    x = 11,941.63

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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.