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Finding the Fourth Proportional to 50,687.62, 69,946.09 and 28,025.25

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Solution

The fourth proportional to 50,687.62, 69,946.09 and 28,025.25 is: 38,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687.62 : 69,946.09 = 28,025.25 : x
  2. Step 2: Convert to fraction form
    50,687.62/69,946.09 = 28,025.25/x
  3. Step 3: Cross multiply
    50,687.62x = 69,946.09 × 28,025.25
  4. Step 4: Simplify right side
    50,687.62x = 1,960,257,015.27
  5. Step 5: Solve for x
    x = 1,960,257,015.27/50,687.62
  6. Step 6: Final answer
    x = 38,673.29

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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.