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Finding the Fourth Proportional to 16,392.75, 24,589.14 and 4,080.75

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Solution

The fourth proportional to 16,392.75, 24,589.14 and 4,080.75 is: 6,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.75 : 24,589.14 = 4,080.75 : x
  2. Step 2: Convert to fraction form
    16,392.75/24,589.14 = 4,080.75/x
  3. Step 3: Cross multiply
    16,392.75x = 24,589.14 × 4,080.75
  4. Step 4: Simplify right side
    16,392.75x = 100,342,133.06
  5. Step 5: Solve for x
    x = 100,342,133.06/16,392.75
  6. Step 6: Final answer
    x = 6,121.13

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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.