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Finding the Fourth Proportional to 18,049.76, 27,079.25 and 7,516.27

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Solution

The fourth proportional to 18,049.76, 27,079.25 and 7,516.27 is: 11,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.76 : 27,079.25 = 7,516.27 : x
  2. Step 2: Convert to fraction form
    18,049.76/27,079.25 = 7,516.27/x
  3. Step 3: Cross multiply
    18,049.76x = 27,079.25 × 7,516.27
  4. Step 4: Simplify right side
    18,049.76x = 203,534,950.67
  5. Step 5: Solve for x
    x = 203,534,950.67/18,049.76
  6. Step 6: Final answer
    x = 11,276.33

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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.