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Finding the Fourth Proportional to 4,080.99, 6,121.49 and 1,159.59

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Solution

The fourth proportional to 4,080.99, 6,121.49 and 1,159.59 is: 1,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.99 : 6,121.49 = 1,159.59 : x
  2. Step 2: Convert to fraction form
    4,080.99/6,121.49 = 1,159.59/x
  3. Step 3: Cross multiply
    4,080.99x = 6,121.49 × 1,159.59
  4. Step 4: Simplify right side
    4,080.99x = 7,098,412.79
  5. Step 5: Solve for x
    x = 7,098,412.79/4,080.99
  6. Step 6: Final answer
    x = 1,739.39

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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.