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Finding the Fourth Proportional to 37,151.88, 55,727.63 and 9,072.09

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Solution

The fourth proportional to 37,151.88, 55,727.63 and 9,072.09 is: 13,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.88 : 55,727.63 = 9,072.09 : x
  2. Step 2: Convert to fraction form
    37,151.88/55,727.63 = 9,072.09/x
  3. Step 3: Cross multiply
    37,151.88x = 55,727.63 × 9,072.09
  4. Step 4: Simplify right side
    37,151.88x = 505,566,029.49
  5. Step 5: Solve for x
    x = 505,566,029.49/37,151.88
  6. Step 6: Final answer
    x = 13,608.09

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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.