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Finding the Fourth Proportional to 36,392.08, 50,217 and 20,482

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Solution

The fourth proportional to 36,392.08, 50,217 and 20,482 is: 28,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.08 : 50,217 = 20,482 : x
  2. Step 2: Convert to fraction form
    36,392.08/50,217 = 20,482/x
  3. Step 3: Cross multiply
    36,392.08x = 50,217 × 20,482
  4. Step 4: Simplify right side
    36,392.08x = 1,028,544,594
  5. Step 5: Solve for x
    x = 1,028,544,594/36,392.08
  6. Step 6: Final answer
    x = 28,262.87

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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.