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Finding the Fourth Proportional to 33,246.76, 49,869.88 and 8,286.64

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Solution

The fourth proportional to 33,246.76, 49,869.88 and 8,286.64 is: 12,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,246.76 : 49,869.88 = 8,286.64 : x
  2. Step 2: Convert to fraction form
    33,246.76/49,869.88 = 8,286.64/x
  3. Step 3: Cross multiply
    33,246.76x = 49,869.88 × 8,286.64
  4. Step 4: Simplify right side
    33,246.76x = 413,253,742.40
  5. Step 5: Solve for x
    x = 413,253,742.40/33,246.76
  6. Step 6: Final answer
    x = 12,429.90

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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.