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Finding the Fourth Proportional to 13,924.08, 20,887.11 and 5,604.12

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Solution

The fourth proportional to 13,924.08, 20,887.11 and 5,604.12 is: 8,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.08 : 20,887.11 = 5,604.12 : x
  2. Step 2: Convert to fraction form
    13,924.08/20,887.11 = 5,604.12/x
  3. Step 3: Cross multiply
    13,924.08x = 20,887.11 × 5,604.12
  4. Step 4: Simplify right side
    13,924.08x = 117,053,870.89
  5. Step 5: Solve for x
    x = 117,053,870.89/13,924.08
  6. Step 6: Final answer
    x = 8,406.58

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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.