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Finding the Fourth Proportional to 13,914.57, 20,873.13 and 4,554.64

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Solution

The fourth proportional to 13,914.57, 20,873.13 and 4,554.64 is: 6,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.57 : 20,873.13 = 4,554.64 : x
  2. Step 2: Convert to fraction form
    13,914.57/20,873.13 = 4,554.64/x
  3. Step 3: Cross multiply
    13,914.57x = 20,873.13 × 4,554.64
  4. Step 4: Simplify right side
    13,914.57x = 95,069,592.82
  5. Step 5: Solve for x
    x = 95,069,592.82/13,914.57
  6. Step 6: Final answer
    x = 6,832.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.