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Finding the Fourth Proportional to 66,676.05, 99,993.21 and 22,292.45

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Solution

The fourth proportional to 66,676.05, 99,993.21 and 22,292.45 is: 33,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676.05 : 99,993.21 = 22,292.45 : x
  2. Step 2: Convert to fraction form
    66,676.05/99,993.21 = 22,292.45/x
  3. Step 3: Cross multiply
    66,676.05x = 99,993.21 × 22,292.45
  4. Step 4: Simplify right side
    66,676.05x = 2,229,093,134.30
  5. Step 5: Solve for x
    x = 2,229,093,134.30/66,676.05
  6. Step 6: Final answer
    x = 33,431.69

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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.