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Finding the Fourth Proportional to 51,976.75, 77,969.99 and 16,906.99

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Solution

The fourth proportional to 51,976.75, 77,969.99 and 16,906.99 is: 25,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.75 : 77,969.99 = 16,906.99 : x
  2. Step 2: Convert to fraction form
    51,976.75/77,969.99 = 16,906.99/x
  3. Step 3: Cross multiply
    51,976.75x = 77,969.99 × 16,906.99
  4. Step 4: Simplify right side
    51,976.75x = 1,318,237,756.70
  5. Step 5: Solve for x
    x = 1,318,237,756.70/51,976.75
  6. Step 6: Final answer
    x = 25,362.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.