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Finding the Fourth Proportional to 49,711.70, 68,602.12 and 27,355.70

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Solution

The fourth proportional to 49,711.70, 68,602.12 and 27,355.70 is: 37,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.70 : 68,602.12 = 27,355.70 : x
  2. Step 2: Convert to fraction form
    49,711.70/68,602.12 = 27,355.70/x
  3. Step 3: Cross multiply
    49,711.70x = 68,602.12 × 27,355.70
  4. Step 4: Simplify right side
    49,711.70x = 1,876,659,014.08
  5. Step 5: Solve for x
    x = 1,876,659,014.08/49,711.70
  6. Step 6: Final answer
    x = 37,750.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.