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Finding the Fourth Proportional to 63,647.05, 87,832.96 and 34,968.56

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Solution

The fourth proportional to 63,647.05, 87,832.96 and 34,968.56 is: 48,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.05 : 87,832.96 = 34,968.56 : x
  2. Step 2: Convert to fraction form
    63,647.05/87,832.96 = 34,968.56/x
  3. Step 3: Cross multiply
    63,647.05x = 87,832.96 × 34,968.56
  4. Step 4: Simplify right side
    63,647.05x = 3,071,391,605.15
  5. Step 5: Solve for x
    x = 3,071,391,605.15/63,647.05
  6. Step 6: Final answer
    x = 48,256.62

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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.