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Finding the Fourth Proportional to 2,259.85, 3,389.16 and 798.82

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Solution

The fourth proportional to 2,259.85, 3,389.16 and 798.82 is: 1,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.85 : 3,389.16 = 798.82 : x
  2. Step 2: Convert to fraction form
    2,259.85/3,389.16 = 798.82/x
  3. Step 3: Cross multiply
    2,259.85x = 3,389.16 × 798.82
  4. Step 4: Simplify right side
    2,259.85x = 2,707,328.79
  5. Step 5: Solve for x
    x = 2,707,328.79/2,259.85
  6. Step 6: Final answer
    x = 1,198.01

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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.