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Finding the Fourth Proportional to 22,830.60, 34,168.08 and 19,137

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Solution

The fourth proportional to 22,830.60, 34,168.08 and 19,137 is: 28,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.60 : 34,168.08 = 19,137 : x
  2. Step 2: Convert to fraction form
    22,830.60/34,168.08 = 19,137/x
  3. Step 3: Cross multiply
    22,830.60x = 34,168.08 × 19,137
  4. Step 4: Simplify right side
    22,830.60x = 653,874,546.96
  5. Step 5: Solve for x
    x = 653,874,546.96/22,830.60
  6. Step 6: Final answer
    x = 28,640.27

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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.