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Finding the Fourth Proportional to 63,505.44, 87,617.57 and 36,644.42

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Solution

The fourth proportional to 63,505.44, 87,617.57 and 36,644.42 is: 50,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.44 : 87,617.57 = 36,644.42 : x
  2. Step 2: Convert to fraction form
    63,505.44/87,617.57 = 36,644.42/x
  3. Step 3: Cross multiply
    63,505.44x = 87,617.57 × 36,644.42
  4. Step 4: Simplify right side
    63,505.44x = 3,210,695,070.28
  5. Step 5: Solve for x
    x = 3,210,695,070.28/63,505.44
  6. Step 6: Final answer
    x = 50,557.80

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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.