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Finding the Fourth Proportional to 11,652.56, 16,080.65 and 6,616.89

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Solution

The fourth proportional to 11,652.56, 16,080.65 and 6,616.89 is: 9,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.56 : 16,080.65 = 6,616.89 : x
  2. Step 2: Convert to fraction form
    11,652.56/16,080.65 = 6,616.89/x
  3. Step 3: Cross multiply
    11,652.56x = 16,080.65 × 6,616.89
  4. Step 4: Simplify right side
    11,652.56x = 106,403,883.91
  5. Step 5: Solve for x
    x = 106,403,883.91/11,652.56
  6. Step 6: Final answer
    x = 9,131.37

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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.