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Finding the Fourth Proportional to 14,339.21, 19,787.64 and 8,051.63

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Solution

The fourth proportional to 14,339.21, 19,787.64 and 8,051.63 is: 11,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.21 : 19,787.64 = 8,051.63 : x
  2. Step 2: Convert to fraction form
    14,339.21/19,787.64 = 8,051.63/x
  3. Step 3: Cross multiply
    14,339.21x = 19,787.64 × 8,051.63
  4. Step 4: Simplify right side
    14,339.21x = 159,322,755.85
  5. Step 5: Solve for x
    x = 159,322,755.85/14,339.21
  6. Step 6: Final answer
    x = 11,110.99

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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.