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Finding the Fourth Proportional to 44,168.85, 66,253.67 and 12,578.88

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Solution

The fourth proportional to 44,168.85, 66,253.67 and 12,578.88 is: 18,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,168.85 : 66,253.67 = 12,578.88 : x
  2. Step 2: Convert to fraction form
    44,168.85/66,253.67 = 12,578.88/x
  3. Step 3: Cross multiply
    44,168.85x = 66,253.67 × 12,578.88
  4. Step 4: Simplify right side
    44,168.85x = 833,396,964.49
  5. Step 5: Solve for x
    x = 833,396,964.49/44,168.85
  6. Step 6: Final answer
    x = 18,868.43

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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.