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Finding the Fourth Proportional to 14,663.94, 20,237.31 and 8,376.18

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Solution

The fourth proportional to 14,663.94, 20,237.31 and 8,376.18 is: 11,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.94 : 20,237.31 = 8,376.18 : x
  2. Step 2: Convert to fraction form
    14,663.94/20,237.31 = 8,376.18/x
  3. Step 3: Cross multiply
    14,663.94x = 20,237.31 × 8,376.18
  4. Step 4: Simplify right side
    14,663.94x = 169,511,351.28
  5. Step 5: Solve for x
    x = 169,511,351.28/14,663.94
  6. Step 6: Final answer
    x = 11,559.74

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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.