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Finding the Fourth Proportional to 2,499.82, 3,450.08 and 1,505.66

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Solution

The fourth proportional to 2,499.82, 3,450.08 and 1,505.66 is: 2,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.82 : 3,450.08 = 1,505.66 : x
  2. Step 2: Convert to fraction form
    2,499.82/3,450.08 = 1,505.66/x
  3. Step 3: Cross multiply
    2,499.82x = 3,450.08 × 1,505.66
  4. Step 4: Simplify right side
    2,499.82x = 5,194,647.45
  5. Step 5: Solve for x
    x = 5,194,647.45/2,499.82
  6. Step 6: Final answer
    x = 2,078.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.