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Finding the Fourth Proportional to 8,274.65, 12,412.38 and 2,727.98

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Solution

The fourth proportional to 8,274.65, 12,412.38 and 2,727.98 is: 4,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.65 : 12,412.38 = 2,727.98 : x
  2. Step 2: Convert to fraction form
    8,274.65/12,412.38 = 2,727.98/x
  3. Step 3: Cross multiply
    8,274.65x = 12,412.38 × 2,727.98
  4. Step 4: Simplify right side
    8,274.65x = 33,860,662.33
  5. Step 5: Solve for x
    x = 33,860,662.33/8,274.65
  6. Step 6: Final answer
    x = 4,092.10

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1.5x scale

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.