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Finding the Fourth Proportional to 36,580.68, 50,481.36 and 19,813.68

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Solution

The fourth proportional to 36,580.68, 50,481.36 and 19,813.68 is: 27,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.68 : 50,481.36 = 19,813.68 : x
  2. Step 2: Convert to fraction form
    36,580.68/50,481.36 = 19,813.68/x
  3. Step 3: Cross multiply
    36,580.68x = 50,481.36 × 19,813.68
  4. Step 4: Simplify right side
    36,580.68x = 1,000,221,513.00
  5. Step 5: Solve for x
    x = 1,000,221,513.00/36,580.68
  6. Step 6: Final answer
    x = 27,342.89

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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.