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Finding the Fourth Proportional to 66,450.69, 99,692.84 and 22,077.68

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Solution

The fourth proportional to 66,450.69, 99,692.84 and 22,077.68 is: 33,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,450.69 : 99,692.84 = 22,077.68 : x
  2. Step 2: Convert to fraction form
    66,450.69/99,692.84 = 22,077.68/x
  3. Step 3: Cross multiply
    66,450.69x = 99,692.84 × 22,077.68
  4. Step 4: Simplify right side
    66,450.69x = 2,200,986,176.54
  5. Step 5: Solve for x
    x = 2,200,986,176.54/66,450.69
  6. Step 6: Final answer
    x = 33,122.10

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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.