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Finding the Fourth Proportional to 27,900.71, 41,850.52 and 8,178.83

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Solution

The fourth proportional to 27,900.71, 41,850.52 and 8,178.83 is: 12,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.71 : 41,850.52 = 8,178.83 : x
  2. Step 2: Convert to fraction form
    27,900.71/41,850.52 = 8,178.83/x
  3. Step 3: Cross multiply
    27,900.71x = 41,850.52 × 8,178.83
  4. Step 4: Simplify right side
    27,900.71x = 342,288,288.49
  5. Step 5: Solve for x
    x = 342,288,288.49/27,900.71
  6. Step 6: Final answer
    x = 12,268.09

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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.