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Finding the Fourth Proportional to 2,483.61, 3,722.99 and 1,185.99

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Solution

The fourth proportional to 2,483.61, 3,722.99 and 1,185.99 is: 1,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.61 : 3,722.99 = 1,185.99 : x
  2. Step 2: Convert to fraction form
    2,483.61/3,722.99 = 1,185.99/x
  3. Step 3: Cross multiply
    2,483.61x = 3,722.99 × 1,185.99
  4. Step 4: Simplify right side
    2,483.61x = 4,415,433.30
  5. Step 5: Solve for x
    x = 4,415,433.30/2,483.61
  6. Step 6: Final answer
    x = 1,777.83

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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.