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Finding the Fourth Proportional to 36,499.65, 50,362.00 and 20,974.27

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Solution

The fourth proportional to 36,499.65, 50,362.00 and 20,974.27 is: 28,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,499.65 : 50,362.00 = 20,974.27 : x
  2. Step 2: Convert to fraction form
    36,499.65/50,362.00 = 20,974.27/x
  3. Step 3: Cross multiply
    36,499.65x = 50,362.00 × 20,974.27
  4. Step 4: Simplify right side
    36,499.65x = 1,056,306,133.30
  5. Step 5: Solve for x
    x = 1,056,306,133.30/36,499.65
  6. Step 6: Final answer
    x = 28,940.17

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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.