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Finding the Fourth Proportional to 10,382.54, 14,327.92 and 5,667.10

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Solution

The fourth proportional to 10,382.54, 14,327.92 and 5,667.10 is: 7,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.54 : 14,327.92 = 5,667.10 : x
  2. Step 2: Convert to fraction form
    10,382.54/14,327.92 = 5,667.10/x
  3. Step 3: Cross multiply
    10,382.54x = 14,327.92 × 5,667.10
  4. Step 4: Simplify right side
    10,382.54x = 81,197,755.43
  5. Step 5: Solve for x
    x = 81,197,755.43/10,382.54
  6. Step 6: Final answer
    x = 7,820.61

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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.