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Finding the Fourth Proportional to 22,157.35, 33,235.75 and 5,517.52

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Solution

The fourth proportional to 22,157.35, 33,235.75 and 5,517.52 is: 8,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.35 : 33,235.75 = 5,517.52 : x
  2. Step 2: Convert to fraction form
    22,157.35/33,235.75 = 5,517.52/x
  3. Step 3: Cross multiply
    22,157.35x = 33,235.75 × 5,517.52
  4. Step 4: Simplify right side
    22,157.35x = 183,378,915.34
  5. Step 5: Solve for x
    x = 183,378,915.34/22,157.35
  6. Step 6: Final answer
    x = 8,276.21

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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.