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Finding the Fourth Proportional to 2,999.55, 4,500.11 and 1,150.83

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Solution

The fourth proportional to 2,999.55, 4,500.11 and 1,150.83 is: 1,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.55 : 4,500.11 = 1,150.83 : x
  2. Step 2: Convert to fraction form
    2,999.55/4,500.11 = 1,150.83/x
  3. Step 3: Cross multiply
    2,999.55x = 4,500.11 × 1,150.83
  4. Step 4: Simplify right side
    2,999.55x = 5,178,861.59
  5. Step 5: Solve for x
    x = 5,178,861.59/2,999.55
  6. Step 6: Final answer
    x = 1,726.55

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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.