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Finding the Fourth Proportional to 33,966.66, 50,958.84 and 12,907.08

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Solution

The fourth proportional to 33,966.66, 50,958.84 and 12,907.08 is: 19,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,966.66 : 50,958.84 = 12,907.08 : x
  2. Step 2: Convert to fraction form
    33,966.66/50,958.84 = 12,907.08/x
  3. Step 3: Cross multiply
    33,966.66x = 50,958.84 × 12,907.08
  4. Step 4: Simplify right side
    33,966.66x = 657,729,824.59
  5. Step 5: Solve for x
    x = 657,729,824.59/33,966.66
  6. Step 6: Final answer
    x = 19,363.98

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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.