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Finding the Fourth Proportional to 63,743.63, 87,986.27 and 43,592.86

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Solution

The fourth proportional to 63,743.63, 87,986.27 and 43,592.86 is: 60,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,743.63 : 87,986.27 = 43,592.86 : x
  2. Step 2: Convert to fraction form
    63,743.63/87,986.27 = 43,592.86/x
  3. Step 3: Cross multiply
    63,743.63x = 87,986.27 × 43,592.86
  4. Step 4: Simplify right side
    63,743.63x = 3,835,573,039.05
  5. Step 5: Solve for x
    x = 3,835,573,039.05/63,743.63
  6. Step 6: Final answer
    x = 60,171.86

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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.