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Finding the Fourth Proportional to 8,536.91, 12,801.92 and 3,856.73

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Solution

The fourth proportional to 8,536.91, 12,801.92 and 3,856.73 is: 5,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.91 : 12,801.92 = 3,856.73 : x
  2. Step 2: Convert to fraction form
    8,536.91/12,801.92 = 3,856.73/x
  3. Step 3: Cross multiply
    8,536.91x = 12,801.92 × 3,856.73
  4. Step 4: Simplify right side
    8,536.91x = 49,373,465.63
  5. Step 5: Solve for x
    x = 49,373,465.63/8,536.91
  6. Step 6: Final answer
    x = 5,783.53

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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.