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Finding the Fourth Proportional to 36,715.57, 50,665.50 and 20,799.67

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Solution

The fourth proportional to 36,715.57, 50,665.50 and 20,799.67 is: 28,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.57 : 50,665.50 = 20,799.67 : x
  2. Step 2: Convert to fraction form
    36,715.57/50,665.50 = 20,799.67/x
  3. Step 3: Cross multiply
    36,715.57x = 50,665.50 × 20,799.67
  4. Step 4: Simplify right side
    36,715.57x = 1,053,825,680.39
  5. Step 5: Solve for x
    x = 1,053,825,680.39/36,715.57
  6. Step 6: Final answer
    x = 28,702.42

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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.