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Finding the Fourth Proportional to 48,381.60, 72,553.20 and 17,200.80

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Solution

The fourth proportional to 48,381.60, 72,553.20 and 17,200.80 is: 25,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.60 : 72,553.20 = 17,200.80 : x
  2. Step 2: Convert to fraction form
    48,381.60/72,553.20 = 17,200.80/x
  3. Step 3: Cross multiply
    48,381.60x = 72,553.20 × 17,200.80
  4. Step 4: Simplify right side
    48,381.60x = 1,247,973,082.56
  5. Step 5: Solve for x
    x = 1,247,973,082.56/48,381.60
  6. Step 6: Final answer
    x = 25,794.37

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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.