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Finding the Fourth Proportional to 44,229.90, 66,255.93 and 21,975.90

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Solution

The fourth proportional to 44,229.90, 66,255.93 and 21,975.90 is: 32,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,229.90 : 66,255.93 = 21,975.90 : x
  2. Step 2: Convert to fraction form
    44,229.90/66,255.93 = 21,975.90/x
  3. Step 3: Cross multiply
    44,229.90x = 66,255.93 × 21,975.90
  4. Step 4: Simplify right side
    44,229.90x = 1,456,033,692.09
  5. Step 5: Solve for x
    x = 1,456,033,692.09/44,229.90
  6. Step 6: Final answer
    x = 32,919.67

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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.