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Finding the Fourth Proportional to 6,192.65, 8,543.07 and 3,674.87

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Solution

The fourth proportional to 6,192.65, 8,543.07 and 3,674.87 is: 5,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.65 : 8,543.07 = 3,674.87 : x
  2. Step 2: Convert to fraction form
    6,192.65/8,543.07 = 3,674.87/x
  3. Step 3: Cross multiply
    6,192.65x = 8,543.07 × 3,674.87
  4. Step 4: Simplify right side
    6,192.65x = 31,394,660.97
  5. Step 5: Solve for x
    x = 31,394,660.97/6,192.65
  6. Step 6: Final answer
    x = 5,069.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.