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Finding the Fourth Proportional to 50,551.77, 69,760.98 and 27,890.97

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Solution

The fourth proportional to 50,551.77, 69,760.98 and 27,890.97 is: 38,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,551.77 : 69,760.98 = 27,890.97 : x
  2. Step 2: Convert to fraction form
    50,551.77/69,760.98 = 27,890.97/x
  3. Step 3: Cross multiply
    50,551.77x = 69,760.98 × 27,890.97
  4. Step 4: Simplify right side
    50,551.77x = 1,945,701,400.35
  5. Step 5: Solve for x
    x = 1,945,701,400.35/50,551.77
  6. Step 6: Final answer
    x = 38,489.28

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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.