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Finding the Fourth Proportional to 54,186.60, 81,279.90 and 24,662.10

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Solution

The fourth proportional to 54,186.60, 81,279.90 and 24,662.10 is: 36,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.60 : 81,279.90 = 24,662.10 : x
  2. Step 2: Convert to fraction form
    54,186.60/81,279.90 = 24,662.10/x
  3. Step 3: Cross multiply
    54,186.60x = 81,279.90 × 24,662.10
  4. Step 4: Simplify right side
    54,186.60x = 2,004,533,021.79
  5. Step 5: Solve for x
    x = 2,004,533,021.79/54,186.60
  6. Step 6: Final answer
    x = 36,993.15

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Why These Related Problems?

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