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Finding the Fourth Proportional to 2,259.62, 3,389.49 and 798.44

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Solution

The fourth proportional to 2,259.62, 3,389.49 and 798.44 is: 1,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.62 : 3,389.49 = 798.44 : x
  2. Step 2: Convert to fraction form
    2,259.62/3,389.49 = 798.44/x
  3. Step 3: Cross multiply
    2,259.62x = 3,389.49 × 798.44
  4. Step 4: Simplify right side
    2,259.62x = 2,706,304.40
  5. Step 5: Solve for x
    x = 2,706,304.40/2,259.62
  6. Step 6: Final answer
    x = 1,197.68

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1.5x scale

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.