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Finding the Fourth Proportional to 8,034.80, 12,060.84 and 4,138.16

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Solution

The fourth proportional to 8,034.80, 12,060.84 and 4,138.16 is: 6,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.80 : 12,060.84 = 4,138.16 : x
  2. Step 2: Convert to fraction form
    8,034.80/12,060.84 = 4,138.16/x
  3. Step 3: Cross multiply
    8,034.80x = 12,060.84 × 4,138.16
  4. Step 4: Simplify right side
    8,034.80x = 49,909,685.65
  5. Step 5: Solve for x
    x = 49,909,685.65/8,034.80
  6. Step 6: Final answer
    x = 6,211.69

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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.