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Finding the Fourth Proportional to 70,008.70, 105,033.39 and 22,622.80

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Solution

The fourth proportional to 70,008.70, 105,033.39 and 22,622.80 is: 33,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.70 : 105,033.39 = 22,622.80 : x
  2. Step 2: Convert to fraction form
    70,008.70/105,033.39 = 22,622.80/x
  3. Step 3: Cross multiply
    70,008.70x = 105,033.39 × 22,622.80
  4. Step 4: Simplify right side
    70,008.70x = 2,376,149,375.29
  5. Step 5: Solve for x
    x = 2,376,149,375.29/70,008.70
  6. Step 6: Final answer
    x = 33,940.77

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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.