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Finding the Fourth Proportional to 12,063.76, 18,093.76 and 3,299.36

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Solution

The fourth proportional to 12,063.76, 18,093.76 and 3,299.36 is: 4,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.76 : 18,093.76 = 3,299.36 : x
  2. Step 2: Convert to fraction form
    12,063.76/18,093.76 = 3,299.36/x
  3. Step 3: Cross multiply
    12,063.76x = 18,093.76 × 3,299.36
  4. Step 4: Simplify right side
    12,063.76x = 59,697,827.99
  5. Step 5: Solve for x
    x = 59,697,827.99/12,063.76
  6. Step 6: Final answer
    x = 4,948.53

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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.