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Finding the Fourth Proportional to 50,115.71, 69,156.71 and 27,450.20

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Solution

The fourth proportional to 50,115.71, 69,156.71 and 27,450.20 is: 37,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.71 : 69,156.71 = 27,450.20 : x
  2. Step 2: Convert to fraction form
    50,115.71/69,156.71 = 27,450.20/x
  3. Step 3: Cross multiply
    50,115.71x = 69,156.71 × 27,450.20
  4. Step 4: Simplify right side
    50,115.71x = 1,898,365,037.81
  5. Step 5: Solve for x
    x = 1,898,365,037.81/50,115.71
  6. Step 6: Final answer
    x = 37,879.64

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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.