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Finding the Fourth Proportional to 8,554.92, 12,832.74 and 2,936.46

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Solution

The fourth proportional to 8,554.92, 12,832.74 and 2,936.46 is: 4,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.92 : 12,832.74 = 2,936.46 : x
  2. Step 2: Convert to fraction form
    8,554.92/12,832.74 = 2,936.46/x
  3. Step 3: Cross multiply
    8,554.92x = 12,832.74 × 2,936.46
  4. Step 4: Simplify right side
    8,554.92x = 37,682,827.70
  5. Step 5: Solve for x
    x = 37,682,827.70/8,554.92
  6. Step 6: Final answer
    x = 4,404.81

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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.