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Finding the Fourth Proportional to 39,711.60, 59,605.80 and 33,874.80

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Solution

The fourth proportional to 39,711.60, 59,605.80 and 33,874.80 is: 50,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.60 : 59,605.80 = 33,874.80 : x
  2. Step 2: Convert to fraction form
    39,711.60/59,605.80 = 33,874.80/x
  3. Step 3: Cross multiply
    39,711.60x = 59,605.80 × 33,874.80
  4. Step 4: Simplify right side
    39,711.60x = 2,019,134,553.84
  5. Step 5: Solve for x
    x = 2,019,134,553.84/39,711.60
  6. Step 6: Final answer
    x = 50,844.96

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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.