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Finding the Fourth Proportional to 54,262.57, 81,396.93 and 16,827.96

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Solution

The fourth proportional to 54,262.57, 81,396.93 and 16,827.96 is: 25,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.57 : 81,396.93 = 16,827.96 : x
  2. Step 2: Convert to fraction form
    54,262.57/81,396.93 = 16,827.96/x
  3. Step 3: Cross multiply
    54,262.57x = 81,396.93 × 16,827.96
  4. Step 4: Simplify right side
    54,262.57x = 1,369,744,485.66
  5. Step 5: Solve for x
    x = 1,369,744,485.66/54,262.57
  6. Step 6: Final answer
    x = 25,242.90

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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.