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Finding the Fourth Proportional to 27,673.86, 41,505.24 and 7,947.78

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Solution

The fourth proportional to 27,673.86, 41,505.24 and 7,947.78 is: 11,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.86 : 41,505.24 = 7,947.78 : x
  2. Step 2: Convert to fraction form
    27,673.86/41,505.24 = 7,947.78/x
  3. Step 3: Cross multiply
    27,673.86x = 41,505.24 × 7,947.78
  4. Step 4: Simplify right side
    27,673.86x = 329,874,516.37
  5. Step 5: Solve for x
    x = 329,874,516.37/27,673.86
  6. Step 6: Final answer
    x = 11,920.08

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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.