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Finding the Fourth Proportional to 33,230.60, 49,865.76 and 13,507.64

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Solution

The fourth proportional to 33,230.60, 49,865.76 and 13,507.64 is: 20,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.60 : 49,865.76 = 13,507.64 : x
  2. Step 2: Convert to fraction form
    33,230.60/49,865.76 = 13,507.64/x
  3. Step 3: Cross multiply
    33,230.60x = 49,865.76 × 13,507.64
  4. Step 4: Simplify right side
    33,230.60x = 673,568,734.41
  5. Step 5: Solve for x
    x = 673,568,734.41/33,230.60
  6. Step 6: Final answer
    x = 20,269.53

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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.