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Finding the Fourth Proportional to 57,295.72, 85,947.90 and 37,259.56

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Solution

The fourth proportional to 57,295.72, 85,947.90 and 37,259.56 is: 55,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.72 : 85,947.90 = 37,259.56 : x
  2. Step 2: Convert to fraction form
    57,295.72/85,947.90 = 37,259.56/x
  3. Step 3: Cross multiply
    57,295.72x = 85,947.90 × 37,259.56
  4. Step 4: Simplify right side
    57,295.72x = 3,202,380,936.92
  5. Step 5: Solve for x
    x = 3,202,380,936.92/57,295.72
  6. Step 6: Final answer
    x = 55,892.15

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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.