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Finding the Fourth Proportional to 57,471.86, 79,266.17 and 39,333.32

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Solution

The fourth proportional to 57,471.86, 79,266.17 and 39,333.32 is: 54,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.86 : 79,266.17 = 39,333.32 : x
  2. Step 2: Convert to fraction form
    57,471.86/79,266.17 = 39,333.32/x
  3. Step 3: Cross multiply
    57,471.86x = 79,266.17 × 39,333.32
  4. Step 4: Simplify right side
    57,471.86x = 3,117,801,629.78
  5. Step 5: Solve for x
    x = 3,117,801,629.78/57,471.86
  6. Step 6: Final answer
    x = 54,249.19

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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.