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Finding the Fourth Proportional to 22,701.70, 34,041.73 and 7,908.80

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Solution

The fourth proportional to 22,701.70, 34,041.73 and 7,908.80 is: 11,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.70 : 34,041.73 = 7,908.80 : x
  2. Step 2: Convert to fraction form
    22,701.70/34,041.73 = 7,908.80/x
  3. Step 3: Cross multiply
    22,701.70x = 34,041.73 × 7,908.80
  4. Step 4: Simplify right side
    22,701.70x = 269,229,234.22
  5. Step 5: Solve for x
    x = 269,229,234.22/22,701.70
  6. Step 6: Final answer
    x = 11,859.43

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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.