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Finding the Fourth Proportional to 57,043.72, 85,484.46 and 27,025.96

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Solution

The fourth proportional to 57,043.72, 85,484.46 and 27,025.96 is: 40,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.72 : 85,484.46 = 27,025.96 : x
  2. Step 2: Convert to fraction form
    57,043.72/85,484.46 = 27,025.96/x
  3. Step 3: Cross multiply
    57,043.72x = 85,484.46 × 27,025.96
  4. Step 4: Simplify right side
    57,043.72x = 2,310,299,596.58
  5. Step 5: Solve for x
    x = 2,310,299,596.58/57,043.72
  6. Step 6: Final answer
    x = 40,500.51

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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.