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Finding the Fourth Proportional to 63,687.44, 87,827.82 and 43,314.32

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Solution

The fourth proportional to 63,687.44, 87,827.82 and 43,314.32 is: 59,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.44 : 87,827.82 = 43,314.32 : x
  2. Step 2: Convert to fraction form
    63,687.44/87,827.82 = 43,314.32/x
  3. Step 3: Cross multiply
    63,687.44x = 87,827.82 × 43,314.32
  4. Step 4: Simplify right side
    63,687.44x = 3,804,202,300.38
  5. Step 5: Solve for x
    x = 3,804,202,300.38/63,687.44
  6. Step 6: Final answer
    x = 59,732.38

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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.