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Finding the Fourth Proportional to 63,563.75, 87,717.99 and 35,269.64

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Solution

The fourth proportional to 63,563.75, 87,717.99 and 35,269.64 is: 48,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,563.75 : 87,717.99 = 35,269.64 : x
  2. Step 2: Convert to fraction form
    63,563.75/87,717.99 = 35,269.64/x
  3. Step 3: Cross multiply
    63,563.75x = 87,717.99 × 35,269.64
  4. Step 4: Simplify right side
    63,563.75x = 3,093,781,928.82
  5. Step 5: Solve for x
    x = 3,093,781,928.82/63,563.75
  6. Step 6: Final answer
    x = 48,672.11

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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.