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Finding the Fourth Proportional to 12,575.89, 18,863.82 and 3,341.89

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Solution

The fourth proportional to 12,575.89, 18,863.82 and 3,341.89 is: 5,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.89 : 18,863.82 = 3,341.89 : x
  2. Step 2: Convert to fraction form
    12,575.89/18,863.82 = 3,341.89/x
  3. Step 3: Cross multiply
    12,575.89x = 18,863.82 × 3,341.89
  4. Step 4: Simplify right side
    12,575.89x = 63,040,811.42
  5. Step 5: Solve for x
    x = 63,040,811.42/12,575.89
  6. Step 6: Final answer
    x = 5,012.83

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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.