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Finding the Fourth Proportional to 63,976.93, 88,305.74 and 37,128.09

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Solution

The fourth proportional to 63,976.93, 88,305.74 and 37,128.09 is: 51,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,976.93 : 88,305.74 = 37,128.09 : x
  2. Step 2: Convert to fraction form
    63,976.93/88,305.74 = 37,128.09/x
  3. Step 3: Cross multiply
    63,976.93x = 88,305.74 × 37,128.09
  4. Step 4: Simplify right side
    63,976.93x = 3,278,622,835.07
  5. Step 5: Solve for x
    x = 3,278,622,835.07/63,976.93
  6. Step 6: Final answer
    x = 51,246.95

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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.