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Finding the Fourth Proportional to 56,793.66, 85,202.79 and 21,733.31

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Solution

The fourth proportional to 56,793.66, 85,202.79 and 21,733.31 is: 32,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.66 : 85,202.79 = 21,733.31 : x
  2. Step 2: Convert to fraction form
    56,793.66/85,202.79 = 21,733.31/x
  3. Step 3: Cross multiply
    56,793.66x = 85,202.79 × 21,733.31
  4. Step 4: Simplify right side
    56,793.66x = 1,851,738,779.44
  5. Step 5: Solve for x
    x = 1,851,738,779.44/56,793.66
  6. Step 6: Final answer
    x = 32,604.68

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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.