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Finding the Fourth Proportional to 63,672.90, 87,863.46 and 36,817.15

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Solution

The fourth proportional to 63,672.90, 87,863.46 and 36,817.15 is: 50,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.90 : 87,863.46 = 36,817.15 : x
  2. Step 2: Convert to fraction form
    63,672.90/87,863.46 = 36,817.15/x
  3. Step 3: Cross multiply
    63,672.90x = 87,863.46 × 36,817.15
  4. Step 4: Simplify right side
    63,672.90x = 3,234,881,874.64
  5. Step 5: Solve for x
    x = 3,234,881,874.64/63,672.90
  6. Step 6: Final answer
    x = 50,804.69

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1.5x scale

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.