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Finding the Fourth Proportional to 18,580.08, 25,638.82 and 11,025.11

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Solution

The fourth proportional to 18,580.08, 25,638.82 and 11,025.11 is: 15,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.08 : 25,638.82 = 11,025.11 : x
  2. Step 2: Convert to fraction form
    18,580.08/25,638.82 = 11,025.11/x
  3. Step 3: Cross multiply
    18,580.08x = 25,638.82 × 11,025.11
  4. Step 4: Simplify right side
    18,580.08x = 282,670,847.30
  5. Step 5: Solve for x
    x = 282,670,847.30/18,580.08
  6. Step 6: Final answer
    x = 15,213.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.