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Finding the Fourth Proportional to 27,247.68, 40,849.46 and 8,518.08

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Solution

The fourth proportional to 27,247.68, 40,849.46 and 8,518.08 is: 12,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.68 : 40,849.46 = 8,518.08 : x
  2. Step 2: Convert to fraction form
    27,247.68/40,849.46 = 8,518.08/x
  3. Step 3: Cross multiply
    27,247.68x = 40,849.46 × 8,518.08
  4. Step 4: Simplify right side
    27,247.68x = 347,958,925.65
  5. Step 5: Solve for x
    x = 347,958,925.65/27,247.68
  6. Step 6: Final answer
    x = 12,770.22

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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.