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Finding the Fourth Proportional to 5,404.60, 8,082.60 and 4,529.80

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Solution

The fourth proportional to 5,404.60, 8,082.60 and 4,529.80 is: 6,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.60 : 8,082.60 = 4,529.80 : x
  2. Step 2: Convert to fraction form
    5,404.60/8,082.60 = 4,529.80/x
  3. Step 3: Cross multiply
    5,404.60x = 8,082.60 × 4,529.80
  4. Step 4: Simplify right side
    5,404.60x = 36,612,561.48
  5. Step 5: Solve for x
    x = 36,612,561.48/5,404.60
  6. Step 6: Final answer
    x = 6,774.33

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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.