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Finding the Fourth Proportional to 57,892.50, 79,891.65 and 32,741.46

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Solution

The fourth proportional to 57,892.50, 79,891.65 and 32,741.46 is: 45,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.50 : 79,891.65 = 32,741.46 : x
  2. Step 2: Convert to fraction form
    57,892.50/79,891.65 = 32,741.46/x
  3. Step 3: Cross multiply
    57,892.50x = 79,891.65 × 32,741.46
  4. Step 4: Simplify right side
    57,892.50x = 2,615,769,262.81
  5. Step 5: Solve for x
    x = 2,615,769,262.81/57,892.50
  6. Step 6: Final answer
    x = 45,183.21

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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.