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Finding the Fourth Proportional to 50,187.62, 69,259.64 and 27,528.78

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Solution

The fourth proportional to 50,187.62, 69,259.64 and 27,528.78 is: 37,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,187.62 : 69,259.64 = 27,528.78 : x
  2. Step 2: Convert to fraction form
    50,187.62/69,259.64 = 27,528.78/x
  3. Step 3: Cross multiply
    50,187.62x = 69,259.64 × 27,528.78
  4. Step 4: Simplify right side
    50,187.62x = 1,906,633,392.44
  5. Step 5: Solve for x
    x = 1,906,633,392.44/50,187.62
  6. Step 6: Final answer
    x = 37,990.11

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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.