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Finding the Fourth Proportional to 2,505.54, 3,756.72 and 2,198.01

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Solution

The fourth proportional to 2,505.54, 3,756.72 and 2,198.01 is: 3,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.54 : 3,756.72 = 2,198.01 : x
  2. Step 2: Convert to fraction form
    2,505.54/3,756.72 = 2,198.01/x
  3. Step 3: Cross multiply
    2,505.54x = 3,756.72 × 2,198.01
  4. Step 4: Simplify right side
    2,505.54x = 8,257,308.13
  5. Step 5: Solve for x
    x = 8,257,308.13/2,505.54
  6. Step 6: Final answer
    x = 3,295.62

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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.