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Finding the Fourth Proportional to 63,534, 87,676.92 and 35,245.56

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Solution

The fourth proportional to 63,534, 87,676.92 and 35,245.56 is: 48,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,534 : 87,676.92 = 35,245.56 : x
  2. Step 2: Convert to fraction form
    63,534/87,676.92 = 35,245.56/x
  3. Step 3: Cross multiply
    63,534x = 87,676.92 × 35,245.56
  4. Step 4: Simplify right side
    63,534x = 3,090,222,144.48
  5. Step 5: Solve for x
    x = 3,090,222,144.48/63,534
  6. Step 6: Final answer
    x = 48,638.87

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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.