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Finding the Fourth Proportional to 22,609.08, 31,201.74 and 13,177.08

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Solution

The fourth proportional to 22,609.08, 31,201.74 and 13,177.08 is: 18,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.08 : 31,201.74 = 13,177.08 : x
  2. Step 2: Convert to fraction form
    22,609.08/31,201.74 = 13,177.08/x
  3. Step 3: Cross multiply
    22,609.08x = 31,201.74 × 13,177.08
  4. Step 4: Simplify right side
    22,609.08x = 411,147,824.12
  5. Step 5: Solve for x
    x = 411,147,824.12/22,609.08
  6. Step 6: Final answer
    x = 18,185.08

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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.