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Finding the Fourth Proportional to 50,548.91, 69,757.02 and 27,888.09

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Solution

The fourth proportional to 50,548.91, 69,757.02 and 27,888.09 is: 38,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.91 : 69,757.02 = 27,888.09 : x
  2. Step 2: Convert to fraction form
    50,548.91/69,757.02 = 27,888.09/x
  3. Step 3: Cross multiply
    50,548.91x = 69,757.02 × 27,888.09
  4. Step 4: Simplify right side
    50,548.91x = 1,945,389,711.87
  5. Step 5: Solve for x
    x = 1,945,389,711.87/50,548.91
  6. Step 6: Final answer
    x = 38,485.29

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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.