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Finding the Fourth Proportional to 10,231.10, 14,118.78 and 5,754.85

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Solution

The fourth proportional to 10,231.10, 14,118.78 and 5,754.85 is: 7,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.10 : 14,118.78 = 5,754.85 : x
  2. Step 2: Convert to fraction form
    10,231.10/14,118.78 = 5,754.85/x
  3. Step 3: Cross multiply
    10,231.10x = 14,118.78 × 5,754.85
  4. Step 4: Simplify right side
    10,231.10x = 81,251,361.71
  5. Step 5: Solve for x
    x = 81,251,361.71/10,231.10
  6. Step 6: Final answer
    x = 7,941.61

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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.