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Finding the Fourth Proportional to 10,171.35, 14,049.72 and 7,842.33

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Solution

The fourth proportional to 10,171.35, 14,049.72 and 7,842.33 is: 10,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.35 : 14,049.72 = 7,842.33 : x
  2. Step 2: Convert to fraction form
    10,171.35/14,049.72 = 7,842.33/x
  3. Step 3: Cross multiply
    10,171.35x = 14,049.72 × 7,842.33
  4. Step 4: Simplify right side
    10,171.35x = 110,182,540.65
  5. Step 5: Solve for x
    x = 110,182,540.65/10,171.35
  6. Step 6: Final answer
    x = 10,832.64

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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.