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Finding the Fourth Proportional to 57,712.89, 79,647.81 and 32,224.27

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Solution

The fourth proportional to 57,712.89, 79,647.81 and 32,224.27 is: 44,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.89 : 79,647.81 = 32,224.27 : x
  2. Step 2: Convert to fraction form
    57,712.89/79,647.81 = 32,224.27/x
  3. Step 3: Cross multiply
    57,712.89x = 79,647.81 × 32,224.27
  4. Step 4: Simplify right side
    57,712.89x = 2,566,592,214.39
  5. Step 5: Solve for x
    x = 2,566,592,214.39/57,712.89
  6. Step 6: Final answer
    x = 44,471.74

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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.