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Finding the Fourth Proportional to 8,227.84, 12,341.76 and 2,072.32

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Solution

The fourth proportional to 8,227.84, 12,341.76 and 2,072.32 is: 3,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.84 : 12,341.76 = 2,072.32 : x
  2. Step 2: Convert to fraction form
    8,227.84/12,341.76 = 2,072.32/x
  3. Step 3: Cross multiply
    8,227.84x = 12,341.76 × 2,072.32
  4. Step 4: Simplify right side
    8,227.84x = 25,576,076.08
  5. Step 5: Solve for x
    x = 25,576,076.08/8,227.84
  6. Step 6: Final answer
    x = 3,108.48

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Similar ratio
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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.