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Finding the Fourth Proportional to 54,656.70, 81,940.05 and 24,672.90

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Solution

The fourth proportional to 54,656.70, 81,940.05 and 24,672.90 is: 36,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.70 : 81,940.05 = 24,672.90 : x
  2. Step 2: Convert to fraction form
    54,656.70/81,940.05 = 24,672.90/x
  3. Step 3: Cross multiply
    54,656.70x = 81,940.05 × 24,672.90
  4. Step 4: Simplify right side
    54,656.70x = 2,021,698,659.65
  5. Step 5: Solve for x
    x = 2,021,698,659.65/54,656.70
  6. Step 6: Final answer
    x = 36,989.04

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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.