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Finding the Fourth Proportional to 22,418.37, 33,627.25 and 7,637.59

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Solution

The fourth proportional to 22,418.37, 33,627.25 and 7,637.59 is: 11,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.37 : 33,627.25 = 7,637.59 : x
  2. Step 2: Convert to fraction form
    22,418.37/33,627.25 = 7,637.59/x
  3. Step 3: Cross multiply
    22,418.37x = 33,627.25 × 7,637.59
  4. Step 4: Simplify right side
    22,418.37x = 256,831,199.91
  5. Step 5: Solve for x
    x = 256,831,199.91/22,418.37
  6. Step 6: Final answer
    x = 11,456.28

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