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Finding the Fourth Proportional to 18,082.10, 27,123.15 and 15,166.10

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Solution

The fourth proportional to 18,082.10, 27,123.15 and 15,166.10 is: 22,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.10 : 27,123.15 = 15,166.10 : x
  2. Step 2: Convert to fraction form
    18,082.10/27,123.15 = 15,166.10/x
  3. Step 3: Cross multiply
    18,082.10x = 27,123.15 × 15,166.10
  4. Step 4: Simplify right side
    18,082.10x = 411,352,405.22
  5. Step 5: Solve for x
    x = 411,352,405.22/18,082.10
  6. Step 6: Final answer
    x = 22,749.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.