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Finding the Fourth Proportional to 36,555.38, 50,446.50 and 19,788.38

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Solution

The fourth proportional to 36,555.38, 50,446.50 and 19,788.38 is: 27,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.38 : 50,446.50 = 19,788.38 : x
  2. Step 2: Convert to fraction form
    36,555.38/50,446.50 = 19,788.38/x
  3. Step 3: Cross multiply
    36,555.38x = 50,446.50 × 19,788.38
  4. Step 4: Simplify right side
    36,555.38x = 998,254,511.67
  5. Step 5: Solve for x
    x = 998,254,511.67/36,555.38
  6. Step 6: Final answer
    x = 27,308.01

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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.