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Finding the Fourth Proportional to 50,399.95, 69,551.99 and 27,740.58

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Solution

The fourth proportional to 50,399.95, 69,551.99 and 27,740.58 is: 38,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,399.95 : 69,551.99 = 27,740.58 : x
  2. Step 2: Convert to fraction form
    50,399.95/69,551.99 = 27,740.58/x
  3. Step 3: Cross multiply
    50,399.95x = 69,551.99 × 27,740.58
  4. Step 4: Simplify right side
    50,399.95x = 1,929,412,542.75
  5. Step 5: Solve for x
    x = 1,929,412,542.75/50,399.95
  6. Step 6: Final answer
    x = 38,282.03

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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.