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Finding the Fourth Proportional to 13,616.01, 20,423.45 and 3,755.02

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Solution

The fourth proportional to 13,616.01, 20,423.45 and 3,755.02 is: 5,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.01 : 20,423.45 = 3,755.02 : x
  2. Step 2: Convert to fraction form
    13,616.01/20,423.45 = 3,755.02/x
  3. Step 3: Cross multiply
    13,616.01x = 20,423.45 × 3,755.02
  4. Step 4: Simplify right side
    13,616.01x = 76,690,463.22
  5. Step 5: Solve for x
    x = 76,690,463.22/13,616.01
  6. Step 6: Final answer
    x = 5,632.38

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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.