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Finding the Fourth Proportional to 71,953.70, 107,930.81 and 22,033.59

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Solution

The fourth proportional to 71,953.70, 107,930.81 and 22,033.59 is: 33,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,953.70 : 107,930.81 = 22,033.59 : x
  2. Step 2: Convert to fraction form
    71,953.70/107,930.81 = 22,033.59/x
  3. Step 3: Cross multiply
    71,953.70x = 107,930.81 × 22,033.59
  4. Step 4: Simplify right side
    71,953.70x = 2,378,103,215.91
  5. Step 5: Solve for x
    x = 2,378,103,215.91/71,953.70
  6. Step 6: Final answer
    x = 33,050.46

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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.