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Finding the Fourth Proportional to 18,900.32, 26,082.96 and 11,444

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Solution

The fourth proportional to 18,900.32, 26,082.96 and 11,444 is: 15,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.32 : 26,082.96 = 11,444 : x
  2. Step 2: Convert to fraction form
    18,900.32/26,082.96 = 11,444/x
  3. Step 3: Cross multiply
    18,900.32x = 26,082.96 × 11,444
  4. Step 4: Simplify right side
    18,900.32x = 298,493,394.24
  5. Step 5: Solve for x
    x = 298,493,394.24/18,900.32
  6. Step 6: Final answer
    x = 15,793.03

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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.