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Finding the Fourth Proportional to 16,241.22, 22,412.43 and 9,168.30

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Solution

The fourth proportional to 16,241.22, 22,412.43 and 9,168.30 is: 12,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,241.22 : 22,412.43 = 9,168.30 : x
  2. Step 2: Convert to fraction form
    16,241.22/22,412.43 = 9,168.30/x
  3. Step 3: Cross multiply
    16,241.22x = 22,412.43 × 9,168.30
  4. Step 4: Simplify right side
    16,241.22x = 205,483,881.97
  5. Step 5: Solve for x
    x = 205,483,881.97/16,241.22
  6. Step 6: Final answer
    x = 12,652.00

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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.