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Finding the Fourth Proportional to 8,363.72, 12,546.05 and 3,685.92

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Solution

The fourth proportional to 8,363.72, 12,546.05 and 3,685.92 is: 5,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.72 : 12,546.05 = 3,685.92 : x
  2. Step 2: Convert to fraction form
    8,363.72/12,546.05 = 3,685.92/x
  3. Step 3: Cross multiply
    8,363.72x = 12,546.05 × 3,685.92
  4. Step 4: Simplify right side
    8,363.72x = 46,243,767.98
  5. Step 5: Solve for x
    x = 46,243,767.98/8,363.72
  6. Step 6: Final answer
    x = 5,529.09

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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.