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Finding the Fourth Proportional to 37,040.50, 51,115.90 and 20,273.50

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Solution

The fourth proportional to 37,040.50, 51,115.90 and 20,273.50 is: 27,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,040.50 : 51,115.90 = 20,273.50 : x
  2. Step 2: Convert to fraction form
    37,040.50/51,115.90 = 20,273.50/x
  3. Step 3: Cross multiply
    37,040.50x = 51,115.90 × 20,273.50
  4. Step 4: Simplify right side
    37,040.50x = 1,036,298,198.65
  5. Step 5: Solve for x
    x = 1,036,298,198.65/37,040.50
  6. Step 6: Final answer
    x = 27,977.44

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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.