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Finding the Fourth Proportional to 54,266.60, 81,399.90 and 14,827.70

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Solution

The fourth proportional to 54,266.60, 81,399.90 and 14,827.70 is: 22,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.60 : 81,399.90 = 14,827.70 : x
  2. Step 2: Convert to fraction form
    54,266.60/81,399.90 = 14,827.70/x
  3. Step 3: Cross multiply
    54,266.60x = 81,399.90 × 14,827.70
  4. Step 4: Simplify right side
    54,266.60x = 1,206,973,297.23
  5. Step 5: Solve for x
    x = 1,206,973,297.23/54,266.60
  6. Step 6: Final answer
    x = 22,241.55

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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.