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Finding the Fourth Proportional to 15,884.33, 23,788.83 and 12,586.82

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Solution

The fourth proportional to 15,884.33, 23,788.83 and 12,586.82 is: 18,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.33 : 23,788.83 = 12,586.82 : x
  2. Step 2: Convert to fraction form
    15,884.33/23,788.83 = 12,586.82/x
  3. Step 3: Cross multiply
    15,884.33x = 23,788.83 × 12,586.82
  4. Step 4: Simplify right side
    15,884.33x = 299,425,721.22
  5. Step 5: Solve for x
    x = 299,425,721.22/15,884.33
  6. Step 6: Final answer
    x = 18,850.38

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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.