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Finding the Fourth Proportional to 6,932.81, 9,567.31 and 3,789.07

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Solution

The fourth proportional to 6,932.81, 9,567.31 and 3,789.07 is: 5,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.81 : 9,567.31 = 3,789.07 : x
  2. Step 2: Convert to fraction form
    6,932.81/9,567.31 = 3,789.07/x
  3. Step 3: Cross multiply
    6,932.81x = 9,567.31 × 3,789.07
  4. Step 4: Simplify right side
    6,932.81x = 36,251,207.30
  5. Step 5: Solve for x
    x = 36,251,207.30/6,932.81
  6. Step 6: Final answer
    x = 5,228.93

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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.