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Finding the Fourth Proportional to 8,267.09, 11,412.12 and 5,080.88

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Solution

The fourth proportional to 8,267.09, 11,412.12 and 5,080.88 is: 7,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.09 : 11,412.12 = 5,080.88 : x
  2. Step 2: Convert to fraction form
    8,267.09/11,412.12 = 5,080.88/x
  3. Step 3: Cross multiply
    8,267.09x = 11,412.12 × 5,080.88
  4. Step 4: Simplify right side
    8,267.09x = 57,983,612.27
  5. Step 5: Solve for x
    x = 57,983,612.27/8,267.09
  6. Step 6: Final answer
    x = 7,013.79

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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.