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Finding the Fourth Proportional to 27,338.94, 41,013.87 and 8,621.87

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Solution

The fourth proportional to 27,338.94, 41,013.87 and 8,621.87 is: 12,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.94 : 41,013.87 = 8,621.87 : x
  2. Step 2: Convert to fraction form
    27,338.94/41,013.87 = 8,621.87/x
  3. Step 3: Cross multiply
    27,338.94x = 41,013.87 × 8,621.87
  4. Step 4: Simplify right side
    27,338.94x = 353,616,050.27
  5. Step 5: Solve for x
    x = 353,616,050.27/27,338.94
  6. Step 6: Final answer
    x = 12,934.52

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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.