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Finding the Fourth Proportional to 36,168.66, 54,261.39 and 11,207.40

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Solution

The fourth proportional to 36,168.66, 54,261.39 and 11,207.40 is: 16,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.66 : 54,261.39 = 11,207.40 : x
  2. Step 2: Convert to fraction form
    36,168.66/54,261.39 = 11,207.40/x
  3. Step 3: Cross multiply
    36,168.66x = 54,261.39 × 11,207.40
  4. Step 4: Simplify right side
    36,168.66x = 608,128,940.83
  5. Step 5: Solve for x
    x = 608,128,940.83/36,168.66
  6. Step 6: Final answer
    x = 16,813.70

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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.