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Finding the Fourth Proportional to 12,496.87, 18,745.30 and 3,262.87

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Solution

The fourth proportional to 12,496.87, 18,745.30 and 3,262.87 is: 4,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.87 : 18,745.30 = 3,262.87 : x
  2. Step 2: Convert to fraction form
    12,496.87/18,745.30 = 3,262.87/x
  3. Step 3: Cross multiply
    12,496.87x = 18,745.30 × 3,262.87
  4. Step 4: Simplify right side
    12,496.87x = 61,163,383.28
  5. Step 5: Solve for x
    x = 61,163,383.28/12,496.87
  6. Step 6: Final answer
    x = 4,894.30

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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.