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Finding the Fourth Proportional to 19,230.88, 28,847.94 and 6,082.96

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Solution

The fourth proportional to 19,230.88, 28,847.94 and 6,082.96 is: 9,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.88 : 28,847.94 = 6,082.96 : x
  2. Step 2: Convert to fraction form
    19,230.88/28,847.94 = 6,082.96/x
  3. Step 3: Cross multiply
    19,230.88x = 28,847.94 × 6,082.96
  4. Step 4: Simplify right side
    19,230.88x = 175,480,865.10
  5. Step 5: Solve for x
    x = 175,480,865.10/19,230.88
  6. Step 6: Final answer
    x = 9,124.95

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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.