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Finding the Fourth Proportional to 57,471.53, 79,309.95 and 32,321.03

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Solution

The fourth proportional to 57,471.53, 79,309.95 and 32,321.03 is: 44,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.53 : 79,309.95 = 32,321.03 : x
  2. Step 2: Convert to fraction form
    57,471.53/79,309.95 = 32,321.03/x
  3. Step 3: Cross multiply
    57,471.53x = 79,309.95 × 32,321.03
  4. Step 4: Simplify right side
    57,471.53x = 2,563,379,273.25
  5. Step 5: Solve for x
    x = 2,563,379,273.25/57,471.53
  6. Step 6: Final answer
    x = 44,602.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.