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Finding the Fourth Proportional to 39,611, 54,664.26 and 22,845.08

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Solution

The fourth proportional to 39,611, 54,664.26 and 22,845.08 is: 31,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611 : 54,664.26 = 22,845.08 : x
  2. Step 2: Convert to fraction form
    39,611/54,664.26 = 22,845.08/x
  3. Step 3: Cross multiply
    39,611x = 54,664.26 × 22,845.08
  4. Step 4: Simplify right side
    39,611x = 1,248,809,392.84
  5. Step 5: Solve for x
    x = 1,248,809,392.84/39,611
  6. Step 6: Final answer
    x = 31,526.83

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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.