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Finding the Fourth Proportional to 8,171.54, 12,253.63 and 2,326.76

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Solution

The fourth proportional to 8,171.54, 12,253.63 and 2,326.76 is: 3,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.54 : 12,253.63 = 2,326.76 : x
  2. Step 2: Convert to fraction form
    8,171.54/12,253.63 = 2,326.76/x
  3. Step 3: Cross multiply
    8,171.54x = 12,253.63 × 2,326.76
  4. Step 4: Simplify right side
    8,171.54x = 28,511,256.14
  5. Step 5: Solve for x
    x = 28,511,256.14/8,171.54
  6. Step 6: Final answer
    x = 3,489.09

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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.