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Finding the Fourth Proportional to 22,157.70, 30,588.91 and 17,110.59

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Solution

The fourth proportional to 22,157.70, 30,588.91 and 17,110.59 is: 23,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.70 : 30,588.91 = 17,110.59 : x
  2. Step 2: Convert to fraction form
    22,157.70/30,588.91 = 17,110.59/x
  3. Step 3: Cross multiply
    22,157.70x = 30,588.91 × 17,110.59
  4. Step 4: Simplify right side
    22,157.70x = 523,394,059.06
  5. Step 5: Solve for x
    x = 523,394,059.06/22,157.70
  6. Step 6: Final answer
    x = 23,621.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.