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Finding the Fourth Proportional to 12,575.88, 18,863.80 and 3,341.88

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Solution

The fourth proportional to 12,575.88, 18,863.80 and 3,341.88 is: 5,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.88 : 18,863.80 = 3,341.88 : x
  2. Step 2: Convert to fraction form
    12,575.88/18,863.80 = 3,341.88/x
  3. Step 3: Cross multiply
    12,575.88x = 18,863.80 × 3,341.88
  4. Step 4: Simplify right side
    12,575.88x = 63,040,555.94
  5. Step 5: Solve for x
    x = 63,040,555.94/12,575.88
  6. Step 6: Final answer
    x = 5,012.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.