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Finding the Fourth Proportional to 8,169.94, 12,254.82 and 2,326.60

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Solution

The fourth proportional to 8,169.94, 12,254.82 and 2,326.60 is: 3,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.94 : 12,254.82 = 2,326.60 : x
  2. Step 2: Convert to fraction form
    8,169.94/12,254.82 = 2,326.60/x
  3. Step 3: Cross multiply
    8,169.94x = 12,254.82 × 2,326.60
  4. Step 4: Simplify right side
    8,169.94x = 28,512,064.21
  5. Step 5: Solve for x
    x = 28,512,064.21/8,169.94
  6. Step 6: Final answer
    x = 3,489.87

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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.