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Finding the Fourth Proportional to 36,689.50, 50,631.51 and 19,922.50

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Solution

The fourth proportional to 36,689.50, 50,631.51 and 19,922.50 is: 27,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.50 : 50,631.51 = 19,922.50 : x
  2. Step 2: Convert to fraction form
    36,689.50/50,631.51 = 19,922.50/x
  3. Step 3: Cross multiply
    36,689.50x = 50,631.51 × 19,922.50
  4. Step 4: Simplify right side
    36,689.50x = 1,008,706,257.98
  5. Step 5: Solve for x
    x = 1,008,706,257.98/36,689.50
  6. Step 6: Final answer
    x = 27,493.05

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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.