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Finding the Fourth Proportional to 16,055.10, 22,157.01 and 8,981.37

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Solution

The fourth proportional to 16,055.10, 22,157.01 and 8,981.37 is: 12,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,055.10 : 22,157.01 = 8,981.37 : x
  2. Step 2: Convert to fraction form
    16,055.10/22,157.01 = 8,981.37/x
  3. Step 3: Cross multiply
    16,055.10x = 22,157.01 × 8,981.37
  4. Step 4: Simplify right side
    16,055.10x = 199,000,304.90
  5. Step 5: Solve for x
    x = 199,000,304.90/16,055.10
  6. Step 6: Final answer
    x = 12,394.83

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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.