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Finding the Fourth Proportional to 63,505.63, 87,617.82 and 36,644.61

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Solution

The fourth proportional to 63,505.63, 87,617.82 and 36,644.61 is: 50,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.63 : 87,617.82 = 36,644.61 : x
  2. Step 2: Convert to fraction form
    63,505.63/87,617.82 = 36,644.61/x
  3. Step 3: Cross multiply
    63,505.63x = 87,617.82 × 36,644.61
  4. Step 4: Simplify right side
    63,505.63x = 3,210,720,842.95
  5. Step 5: Solve for x
    x = 3,210,720,842.95/63,505.63
  6. Step 6: Final answer
    x = 50,558.05

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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.