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Finding the Fourth Proportional to 8,443.44, 12,654.15 and 4,543.26

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Solution

The fourth proportional to 8,443.44, 12,654.15 and 4,543.26 is: 6,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.44 : 12,654.15 = 4,543.26 : x
  2. Step 2: Convert to fraction form
    8,443.44/12,654.15 = 4,543.26/x
  3. Step 3: Cross multiply
    8,443.44x = 12,654.15 × 4,543.26
  4. Step 4: Simplify right side
    8,443.44x = 57,491,093.53
  5. Step 5: Solve for x
    x = 57,491,093.53/8,443.44
  6. Step 6: Final answer
    x = 6,808.97

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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.