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Finding the Fourth Proportional to 11,891.81, 17,848.79 and 6,052.79

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Solution

The fourth proportional to 11,891.81, 17,848.79 and 6,052.79 is: 9,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.81 : 17,848.79 = 6,052.79 : x
  2. Step 2: Convert to fraction form
    11,891.81/17,848.79 = 6,052.79/x
  3. Step 3: Cross multiply
    11,891.81x = 17,848.79 × 6,052.79
  4. Step 4: Simplify right side
    11,891.81x = 108,034,858.12
  5. Step 5: Solve for x
    x = 108,034,858.12/11,891.81
  6. Step 6: Final answer
    x = 9,084.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.