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Finding the Fourth Proportional to 8,082.16, 12,103.80 and 4,608.88

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Solution

The fourth proportional to 8,082.16, 12,103.80 and 4,608.88 is: 6,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.16 : 12,103.80 = 4,608.88 : x
  2. Step 2: Convert to fraction form
    8,082.16/12,103.80 = 4,608.88/x
  3. Step 3: Cross multiply
    8,082.16x = 12,103.80 × 4,608.88
  4. Step 4: Simplify right side
    8,082.16x = 55,784,961.74
  5. Step 5: Solve for x
    x = 55,784,961.74/8,082.16
  6. Step 6: Final answer
    x = 6,902.23

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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.