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Finding the Fourth Proportional to 50,549.91, 69,759.51 and 27,889.81

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Solution

The fourth proportional to 50,549.91, 69,759.51 and 27,889.81 is: 38,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,549.91 : 69,759.51 = 27,889.81 : x
  2. Step 2: Convert to fraction form
    50,549.91/69,759.51 = 27,889.81/x
  3. Step 3: Cross multiply
    50,549.91x = 69,759.51 × 27,889.81
  4. Step 4: Simplify right side
    50,549.91x = 1,945,579,479.59
  5. Step 5: Solve for x
    x = 1,945,579,479.59/50,549.91
  6. Step 6: Final answer
    x = 38,488.29

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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.