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Finding the Fourth Proportional to 2,043.99, 3,064.59 and 1,119.99

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Solution

The fourth proportional to 2,043.99, 3,064.59 and 1,119.99 is: 1,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.99 : 3,064.59 = 1,119.99 : x
  2. Step 2: Convert to fraction form
    2,043.99/3,064.59 = 1,119.99/x
  3. Step 3: Cross multiply
    2,043.99x = 3,064.59 × 1,119.99
  4. Step 4: Simplify right side
    2,043.99x = 3,432,310.15
  5. Step 5: Solve for x
    x = 3,432,310.15/2,043.99
  6. Step 6: Final answer
    x = 1,679.22

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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.