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Finding the Fourth Proportional to 8,423.44, 12,633.64 and 2,266

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Solution

The fourth proportional to 8,423.44, 12,633.64 and 2,266 is: 3,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.44 : 12,633.64 = 2,266 : x
  2. Step 2: Convert to fraction form
    8,423.44/12,633.64 = 2,266/x
  3. Step 3: Cross multiply
    8,423.44x = 12,633.64 × 2,266
  4. Step 4: Simplify right side
    8,423.44x = 28,627,828.24
  5. Step 5: Solve for x
    x = 28,627,828.24/8,423.44
  6. Step 6: Final answer
    x = 3,398.59

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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.