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Finding the Fourth Proportional to 79,906.50, 119,859.75 and 24,502.50

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Solution

The fourth proportional to 79,906.50, 119,859.75 and 24,502.50 is: 36,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.50 : 119,859.75 = 24,502.50 : x
  2. Step 2: Convert to fraction form
    79,906.50/119,859.75 = 24,502.50/x
  3. Step 3: Cross multiply
    79,906.50x = 119,859.75 × 24,502.50
  4. Step 4: Simplify right side
    79,906.50x = 2,936,863,524.38
  5. Step 5: Solve for x
    x = 2,936,863,524.38/79,906.50
  6. Step 6: Final answer
    x = 36,753.75

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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.