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Finding the Fourth Proportional to 8,797.43, 13,193.84 and 2,555.78

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Solution

The fourth proportional to 8,797.43, 13,193.84 and 2,555.78 is: 3,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.43 : 13,193.84 = 2,555.78 : x
  2. Step 2: Convert to fraction form
    8,797.43/13,193.84 = 2,555.78/x
  3. Step 3: Cross multiply
    8,797.43x = 13,193.84 × 2,555.78
  4. Step 4: Simplify right side
    8,797.43x = 33,720,473.65
  5. Step 5: Solve for x
    x = 33,720,473.65/8,797.43
  6. Step 6: Final answer
    x = 3,832.99

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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.