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Finding the Fourth Proportional to 63,286.33, 87,336.90 and 34,993.03

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Solution

The fourth proportional to 63,286.33, 87,336.90 and 34,993.03 is: 48,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,286.33 : 87,336.90 = 34,993.03 : x
  2. Step 2: Convert to fraction form
    63,286.33/87,336.90 = 34,993.03/x
  3. Step 3: Cross multiply
    63,286.33x = 87,336.90 × 34,993.03
  4. Step 4: Simplify right side
    63,286.33x = 3,056,182,761.81
  5. Step 5: Solve for x
    x = 3,056,182,761.81/63,286.33
  6. Step 6: Final answer
    x = 48,291.36

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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.