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Finding the Fourth Proportional to 63,670.22, 87,864.27 and 35,375.30

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Solution

The fourth proportional to 63,670.22, 87,864.27 and 35,375.30 is: 48,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.22 : 87,864.27 = 35,375.30 : x
  2. Step 2: Convert to fraction form
    63,670.22/87,864.27 = 35,375.30/x
  3. Step 3: Cross multiply
    63,670.22x = 87,864.27 × 35,375.30
  4. Step 4: Simplify right side
    63,670.22x = 3,108,224,910.53
  5. Step 5: Solve for x
    x = 3,108,224,910.53/63,670.22
  6. Step 6: Final answer
    x = 48,817.56

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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.