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Finding the Fourth Proportional to 36,866.76, 50,876 and 20,099.76

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Solution

The fourth proportional to 36,866.76, 50,876 and 20,099.76 is: 27,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,866.76 : 50,876 = 20,099.76 : x
  2. Step 2: Convert to fraction form
    36,866.76/50,876 = 20,099.76/x
  3. Step 3: Cross multiply
    36,866.76x = 50,876 × 20,099.76
  4. Step 4: Simplify right side
    36,866.76x = 1,022,595,389.76
  5. Step 5: Solve for x
    x = 1,022,595,389.76/36,866.76
  6. Step 6: Final answer
    x = 27,737.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.