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Finding the Fourth Proportional to 71,267.88, 106,844.94 and 33,809.16

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Solution

The fourth proportional to 71,267.88, 106,844.94 and 33,809.16 is: 50,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.88 : 106,844.94 = 33,809.16 : x
  2. Step 2: Convert to fraction form
    71,267.88/106,844.94 = 33,809.16/x
  3. Step 3: Cross multiply
    71,267.88x = 106,844.94 × 33,809.16
  4. Step 4: Simplify right side
    71,267.88x = 3,612,337,671.65
  5. Step 5: Solve for x
    x = 3,612,337,671.65/71,267.88
  6. Step 6: Final answer
    x = 50,686.76

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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.