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Finding the Fourth Proportional to 8,554.63, 12,832.41 and 2,711.70

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Solution

The fourth proportional to 8,554.63, 12,832.41 and 2,711.70 is: 4,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.63 : 12,832.41 = 2,711.70 : x
  2. Step 2: Convert to fraction form
    8,554.63/12,832.41 = 2,711.70/x
  3. Step 3: Cross multiply
    8,554.63x = 12,832.41 × 2,711.70
  4. Step 4: Simplify right side
    8,554.63x = 34,797,568.48
  5. Step 5: Solve for x
    x = 34,797,568.48/8,554.63
  6. Step 6: Final answer
    x = 4,067.69

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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.