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Finding the Fourth Proportional to 63,010.72, 86,958.44 and 36,153

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Solution

The fourth proportional to 63,010.72, 86,958.44 and 36,153 is: 49,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.72 : 86,958.44 = 36,153 : x
  2. Step 2: Convert to fraction form
    63,010.72/86,958.44 = 36,153/x
  3. Step 3: Cross multiply
    63,010.72x = 86,958.44 × 36,153
  4. Step 4: Simplify right side
    63,010.72x = 3,143,808,481.32
  5. Step 5: Solve for x
    x = 3,143,808,481.32/63,010.72
  6. Step 6: Final answer
    x = 49,893.23

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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.