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Finding the Fourth Proportional to 63,702.74, 87,885.30 and 41,039.96

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Solution

The fourth proportional to 63,702.74, 87,885.30 and 41,039.96 is: 56,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,702.74 : 87,885.30 = 41,039.96 : x
  2. Step 2: Convert to fraction form
    63,702.74/87,885.30 = 41,039.96/x
  3. Step 3: Cross multiply
    63,702.74x = 87,885.30 × 41,039.96
  4. Step 4: Simplify right side
    63,702.74x = 3,606,809,196.59
  5. Step 5: Solve for x
    x = 3,606,809,196.59/63,702.74
  6. Step 6: Final answer
    x = 56,619.37

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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.