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Finding the Fourth Proportional to 57,471.48, 79,309.40 and 33,273.47

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Solution

The fourth proportional to 57,471.48, 79,309.40 and 33,273.47 is: 45,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.48 : 79,309.40 = 33,273.47 : x
  2. Step 2: Convert to fraction form
    57,471.48/79,309.40 = 33,273.47/x
  3. Step 3: Cross multiply
    57,471.48x = 79,309.40 × 33,273.47
  4. Step 4: Simplify right side
    57,471.48x = 2,638,898,378.70
  5. Step 5: Solve for x
    x = 2,638,898,378.70/57,471.48
  6. Step 6: Final answer
    x = 45,916.66

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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.