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Finding the Fourth Proportional to 63,672.65, 87,863.11 and 36,816.90

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Solution

The fourth proportional to 63,672.65, 87,863.11 and 36,816.90 is: 50,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.65 : 87,863.11 = 36,816.90 : x
  2. Step 2: Convert to fraction form
    63,672.65/87,863.11 = 36,816.90/x
  3. Step 3: Cross multiply
    63,672.65x = 87,863.11 × 36,816.90
  4. Step 4: Simplify right side
    63,672.65x = 3,234,847,120.13
  5. Step 5: Solve for x
    x = 3,234,847,120.13/63,672.65
  6. Step 6: Final answer
    x = 50,804.34

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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.