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Finding the Fourth Proportional to 22,602.96, 31,195.92 and 13,176.12

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Solution

The fourth proportional to 22,602.96, 31,195.92 and 13,176.12 is: 18,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.96 : 31,195.92 = 13,176.12 : x
  2. Step 2: Convert to fraction form
    22,602.96/31,195.92 = 13,176.12/x
  3. Step 3: Cross multiply
    22,602.96x = 31,195.92 × 13,176.12
  4. Step 4: Simplify right side
    22,602.96x = 411,041,185.43
  5. Step 5: Solve for x
    x = 411,041,185.43/22,602.96
  6. Step 6: Final answer
    x = 18,185.28

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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.