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Finding the Fourth Proportional to 66,165.75, 99,249.17 and 24,612.75

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Solution

The fourth proportional to 66,165.75, 99,249.17 and 24,612.75 is: 36,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.75 : 99,249.17 = 24,612.75 : x
  2. Step 2: Convert to fraction form
    66,165.75/99,249.17 = 24,612.75/x
  3. Step 3: Cross multiply
    66,165.75x = 99,249.17 × 24,612.75
  4. Step 4: Simplify right side
    66,165.75x = 2,442,794,885.85
  5. Step 5: Solve for x
    x = 2,442,794,885.85/66,165.75
  6. Step 6: Final answer
    x = 36,919.33

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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.