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Finding the Fourth Proportional to 3,696, 5,544.66 and 1,230.96

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Solution

The fourth proportional to 3,696, 5,544.66 and 1,230.96 is: 1,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696 : 5,544.66 = 1,230.96 : x
  2. Step 2: Convert to fraction form
    3,696/5,544.66 = 1,230.96/x
  3. Step 3: Cross multiply
    3,696x = 5,544.66 × 1,230.96
  4. Step 4: Simplify right side
    3,696x = 6,825,254.67
  5. Step 5: Solve for x
    x = 6,825,254.67/3,696
  6. Step 6: Final answer
    x = 1,846.66

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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.