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Finding the Fourth Proportional to 79,794, 119,692.62 and 24,390

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Solution

The fourth proportional to 79,794, 119,692.62 and 24,390 is: 36,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794 : 119,692.62 = 24,390 : x
  2. Step 2: Convert to fraction form
    79,794/119,692.62 = 24,390/x
  3. Step 3: Cross multiply
    79,794x = 119,692.62 × 24,390
  4. Step 4: Simplify right side
    79,794x = 2,919,303,001.80
  5. Step 5: Solve for x
    x = 2,919,303,001.80/79,794
  6. Step 6: Final answer
    x = 36,585.50

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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.