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Finding the Fourth Proportional to 37,709.38, 52,039.04 and 20,942.38

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Solution

The fourth proportional to 37,709.38, 52,039.04 and 20,942.38 is: 28,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,709.38 : 52,039.04 = 20,942.38 : x
  2. Step 2: Convert to fraction form
    37,709.38/52,039.04 = 20,942.38/x
  3. Step 3: Cross multiply
    37,709.38x = 52,039.04 × 20,942.38
  4. Step 4: Simplify right side
    37,709.38x = 1,089,821,350.52
  5. Step 5: Solve for x
    x = 1,089,821,350.52/37,709.38
  6. Step 6: Final answer
    x = 28,900.54

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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.