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Finding the Fourth Proportional to 43,967.54, 65,954.34 and 21,774.96

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Solution

The fourth proportional to 43,967.54, 65,954.34 and 21,774.96 is: 32,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.54 : 65,954.34 = 21,774.96 : x
  2. Step 2: Convert to fraction form
    43,967.54/65,954.34 = 21,774.96/x
  3. Step 3: Cross multiply
    43,967.54x = 65,954.34 × 21,774.96
  4. Step 4: Simplify right side
    43,967.54x = 1,436,153,115.33
  5. Step 5: Solve for x
    x = 1,436,153,115.33/43,967.54
  6. Step 6: Final answer
    x = 32,663.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.