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Finding the Fourth Proportional to 14,340.18, 19,787.31 and 8,051.34

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Solution

The fourth proportional to 14,340.18, 19,787.31 and 8,051.34 is: 11,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.18 : 19,787.31 = 8,051.34 : x
  2. Step 2: Convert to fraction form
    14,340.18/19,787.31 = 8,051.34/x
  3. Step 3: Cross multiply
    14,340.18x = 19,787.31 × 8,051.34
  4. Step 4: Simplify right side
    14,340.18x = 159,314,360.50
  5. Step 5: Solve for x
    x = 159,314,360.50/14,340.18
  6. Step 6: Final answer
    x = 11,109.65

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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.