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Finding the Fourth Proportional to 18,052.57, 27,083.48 and 7,519.08

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Solution

The fourth proportional to 18,052.57, 27,083.48 and 7,519.08 is: 11,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.57 : 27,083.48 = 7,519.08 : x
  2. Step 2: Convert to fraction form
    18,052.57/27,083.48 = 7,519.08/x
  3. Step 3: Cross multiply
    18,052.57x = 27,083.48 × 7,519.08
  4. Step 4: Simplify right side
    18,052.57x = 203,642,806.72
  5. Step 5: Solve for x
    x = 203,642,806.72/18,052.57
  6. Step 6: Final answer
    x = 11,280.54

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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.