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Finding the Fourth Proportional to 22,616.55, 33,826.41 and 13,234.32

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Solution

The fourth proportional to 22,616.55, 33,826.41 and 13,234.32 is: 19,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.55 : 33,826.41 = 13,234.32 : x
  2. Step 2: Convert to fraction form
    22,616.55/33,826.41 = 13,234.32/x
  3. Step 3: Cross multiply
    22,616.55x = 33,826.41 × 13,234.32
  4. Step 4: Simplify right side
    22,616.55x = 447,669,534.39
  5. Step 5: Solve for x
    x = 447,669,534.39/22,616.55
  6. Step 6: Final answer
    x = 19,793.89

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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.