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Finding the Fourth Proportional to 13,082.76, 18,059.44 and 8,049

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Solution

The fourth proportional to 13,082.76, 18,059.44 and 8,049 is: 11,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.76 : 18,059.44 = 8,049 : x
  2. Step 2: Convert to fraction form
    13,082.76/18,059.44 = 8,049/x
  3. Step 3: Cross multiply
    13,082.76x = 18,059.44 × 8,049
  4. Step 4: Simplify right side
    13,082.76x = 145,360,432.56
  5. Step 5: Solve for x
    x = 145,360,432.56/13,082.76
  6. Step 6: Final answer
    x = 11,110.84

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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.