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Finding the Fourth Proportional to 16,797.80, 25,193.51 and 8,482.65

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Solution

The fourth proportional to 16,797.80, 25,193.51 and 8,482.65 is: 12,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.80 : 25,193.51 = 8,482.65 : x
  2. Step 2: Convert to fraction form
    16,797.80/25,193.51 = 8,482.65/x
  3. Step 3: Cross multiply
    16,797.80x = 25,193.51 × 8,482.65
  4. Step 4: Simplify right side
    16,797.80x = 213,707,727.60
  5. Step 5: Solve for x
    x = 213,707,727.60/16,797.80
  6. Step 6: Final answer
    x = 12,722.36

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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.