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Finding the Fourth Proportional to 52,796.62, 72,861.15 and 28,923.29

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Solution

The fourth proportional to 52,796.62, 72,861.15 and 28,923.29 is: 39,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,796.62 : 72,861.15 = 28,923.29 : x
  2. Step 2: Convert to fraction form
    52,796.62/72,861.15 = 28,923.29/x
  3. Step 3: Cross multiply
    52,796.62x = 72,861.15 × 28,923.29
  4. Step 4: Simplify right side
    52,796.62x = 2,107,383,662.26
  5. Step 5: Solve for x
    x = 2,107,383,662.26/52,796.62
  6. Step 6: Final answer
    x = 39,915.13

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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.