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Finding the Fourth Proportional to 43,391.88, 65,062.90 and 17,082.27

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Solution

The fourth proportional to 43,391.88, 65,062.90 and 17,082.27 is: 25,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.88 : 65,062.90 = 17,082.27 : x
  2. Step 2: Convert to fraction form
    43,391.88/65,062.90 = 17,082.27/x
  3. Step 3: Cross multiply
    43,391.88x = 65,062.90 × 17,082.27
  4. Step 4: Simplify right side
    43,391.88x = 1,111,422,024.78
  5. Step 5: Solve for x
    x = 1,111,422,024.78/43,391.88
  6. Step 6: Final answer
    x = 25,613.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.