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Finding the Fourth Proportional to 66,229.38, 99,344.88 and 36,704.88

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Solution

The fourth proportional to 66,229.38, 99,344.88 and 36,704.88 is: 55,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.38 : 99,344.88 = 36,704.88 : x
  2. Step 2: Convert to fraction form
    66,229.38/99,344.88 = 36,704.88/x
  3. Step 3: Cross multiply
    66,229.38x = 99,344.88 × 36,704.88
  4. Step 4: Simplify right side
    66,229.38x = 3,646,441,899.01
  5. Step 5: Solve for x
    x = 3,646,441,899.01/66,229.38
  6. Step 6: Final answer
    x = 55,057.77

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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.