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Finding the Fourth Proportional to 41,806.68, 57,720.24 and 25,908

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Solution

The fourth proportional to 41,806.68, 57,720.24 and 25,908 is: 35,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,806.68 : 57,720.24 = 25,908 : x
  2. Step 2: Convert to fraction form
    41,806.68/57,720.24 = 25,908/x
  3. Step 3: Cross multiply
    41,806.68x = 57,720.24 × 25,908
  4. Step 4: Simplify right side
    41,806.68x = 1,495,415,977.92
  5. Step 5: Solve for x
    x = 1,495,415,977.92/41,806.68
  6. Step 6: Final answer
    x = 35,769.79

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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.