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Finding the Fourth Proportional to 50,379.50, 69,523.70 and 27,718

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Solution

The fourth proportional to 50,379.50, 69,523.70 and 27,718 is: 38,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.50 : 69,523.70 = 27,718 : x
  2. Step 2: Convert to fraction form
    50,379.50/69,523.70 = 27,718/x
  3. Step 3: Cross multiply
    50,379.50x = 69,523.70 × 27,718
  4. Step 4: Simplify right side
    50,379.50x = 1,927,057,916.60
  5. Step 5: Solve for x
    x = 1,927,057,916.60/50,379.50
  6. Step 6: Final answer
    x = 38,250.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.