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Finding the Fourth Proportional to 63,761.28, 87,991.68 and 35,466.96

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Solution

The fourth proportional to 63,761.28, 87,991.68 and 35,466.96 is: 48,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.28 : 87,991.68 = 35,466.96 : x
  2. Step 2: Convert to fraction form
    63,761.28/87,991.68 = 35,466.96/x
  3. Step 3: Cross multiply
    63,761.28x = 87,991.68 × 35,466.96
  4. Step 4: Simplify right side
    63,761.28x = 3,120,797,394.89
  5. Step 5: Solve for x
    x = 3,120,797,394.89/63,761.28
  6. Step 6: Final answer
    x = 48,945.02

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1.5x scale

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.