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Finding the Fourth Proportional to 37,238.20, 55,851.90 and 10,940.20

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Solution

The fourth proportional to 37,238.20, 55,851.90 and 10,940.20 is: 16,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.20 : 55,851.90 = 10,940.20 : x
  2. Step 2: Convert to fraction form
    37,238.20/55,851.90 = 10,940.20/x
  3. Step 3: Cross multiply
    37,238.20x = 55,851.90 × 10,940.20
  4. Step 4: Simplify right side
    37,238.20x = 611,030,956.38
  5. Step 5: Solve for x
    x = 611,030,956.38/37,238.20
  6. Step 6: Final answer
    x = 16,408.71

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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.