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Finding the Fourth Proportional to 63,629.28, 87,801.84 and 35,331.84

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Solution

The fourth proportional to 63,629.28, 87,801.84 and 35,331.84 is: 48,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.28 : 87,801.84 = 35,331.84 : x
  2. Step 2: Convert to fraction form
    63,629.28/87,801.84 = 35,331.84/x
  3. Step 3: Cross multiply
    63,629.28x = 87,801.84 × 35,331.84
  4. Step 4: Simplify right side
    63,629.28x = 3,102,200,562.59
  5. Step 5: Solve for x
    x = 3,102,200,562.59/63,629.28
  6. Step 6: Final answer
    x = 48,754.29

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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.