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Finding the Fourth Proportional to 34,614.50, 51,919.13 and 13,550.51

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Solution

The fourth proportional to 34,614.50, 51,919.13 and 13,550.51 is: 20,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,614.50 : 51,919.13 = 13,550.51 : x
  2. Step 2: Convert to fraction form
    34,614.50/51,919.13 = 13,550.51/x
  3. Step 3: Cross multiply
    34,614.50x = 51,919.13 × 13,550.51
  4. Step 4: Simplify right side
    34,614.50x = 703,530,362.91
  5. Step 5: Solve for x
    x = 703,530,362.91/34,614.50
  6. Step 6: Final answer
    x = 20,324.73

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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.