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Finding the Fourth Proportional to 22,700.80, 34,052.24 and 7,910.88

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Solution

The fourth proportional to 22,700.80, 34,052.24 and 7,910.88 is: 11,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.80 : 34,052.24 = 7,910.88 : x
  2. Step 2: Convert to fraction form
    22,700.80/34,052.24 = 7,910.88/x
  3. Step 3: Cross multiply
    22,700.80x = 34,052.24 × 7,910.88
  4. Step 4: Simplify right side
    22,700.80x = 269,383,184.37
  5. Step 5: Solve for x
    x = 269,383,184.37/22,700.80
  6. Step 6: Final answer
    x = 11,866.68

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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.