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Finding the Fourth Proportional to 79,791.70, 119,705.10 and 23,636.20

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Solution

The fourth proportional to 79,791.70, 119,705.10 and 23,636.20 is: 35,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.70 : 119,705.10 = 23,636.20 : x
  2. Step 2: Convert to fraction form
    79,791.70/119,705.10 = 23,636.20/x
  3. Step 3: Cross multiply
    79,791.70x = 119,705.10 × 23,636.20
  4. Step 4: Simplify right side
    79,791.70x = 2,829,373,684.62
  5. Step 5: Solve for x
    x = 2,829,373,684.62/79,791.70
  6. Step 6: Final answer
    x = 35,459.50

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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.