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Finding the Fourth Proportional to 14,757.88, 20,365.97 and 8,043.48

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Solution

The fourth proportional to 14,757.88, 20,365.97 and 8,043.48 is: 11,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.88 : 20,365.97 = 8,043.48 : x
  2. Step 2: Convert to fraction form
    14,757.88/20,365.97 = 8,043.48/x
  3. Step 3: Cross multiply
    14,757.88x = 20,365.97 × 8,043.48
  4. Step 4: Simplify right side
    14,757.88x = 163,813,303.18
  5. Step 5: Solve for x
    x = 163,813,303.18/14,757.88
  6. Step 6: Final answer
    x = 11,100.06

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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.